Talk:Self numbers: Difference between revisions
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(→Improvement to the clever sieving of purefox: pattern in modulus base*base+1) |
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Now counting all selfnumbers 0..9999 than copy 10000- (max digitcount)*9 to Position 0..- (max digitcount)*9 and clear the rest to the upper limit. |
Now counting all selfnumbers 0..9999 than copy 10000- (max digitcount)*9 to Position 0..- (max digitcount)*9 and clear the rest to the upper limit. |
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This can all be done lightning fast in Level I cache. [[user Horst.h|Horst.h]] 18:20, 7 October 2020 (UTC) |
This can all be done lightning fast in Level I cache. [[user Horst.h|Horst.h]] 18:20, 7 October 2020 (UTC) |
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:Wrong idea[[user:Horsth|Horsth]] [[User:Horsth|Horsth]] ([[User talk:Horsth|talk]]) 05:02, 8 October 2020 (UTC) |
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:New observation using Base*Base+1 = 101. Line 0 is modified 1,3,5 are deleted<BR> |
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:Many same lines, changes in constant distances only a rotation of line 1 with some. |
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:There shall be a build system for this pattern. |
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:mostly 10 out of 101 are selfnumbers, every 9*101 -2 , every 99*101 -3 , every 999*101 -4 |
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: |
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<pre> |
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annotation number of self numbers up to (1,3,5, deleted ) |
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101 10 |
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1010 100 |
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10100 988 |
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101000 9877 |
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1010000 98758 |
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10100000 987559 |
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101000000 9875560 |
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n Div 101 |
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0 0 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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101 1 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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202 2 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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303 3 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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404 4 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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505 5 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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606 6 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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707 7 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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808 8 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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909 9 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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-- rotate <<<<<<<<< |
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-- v deleted |
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1010 10 00000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000000000010 |
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-- v inserted |
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1111 11 10000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000000000010 |
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-- |
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1818 18 10000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000000000010 |
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-- v |
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1919 19 10000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000000000000 |
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2020 20 00100000000001000000000010000000000100000000001000000000010000000000100000000001000000000010100000000 |
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-- |
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2828 28 00100000000001000000000010000000000100000000001000000000010000000000100000000001000000000010100000000 |
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-- vvv |
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2929 29 00100000000001000000000010000000000100000000001000000000010000000000100000000001000000000000001000000 |
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3030 30 00001000000000010000000000100000000001000000000010000000000100000000001000000000010100000000001000000 |
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-- vvv |
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3939 39 00001000000000010000000000100000000001000000000010000000000100000000001000000000000001000000000010000 |
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4040 40 00000010000000000100000000001000000000010000000000100000000001000000000010100000000001000000000010000 |
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-- |
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4848 48 00000010000000000100000000001000000000010000000000100000000001000000000010100000000001000000000010000 |
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vvv |
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4949 49 00000010000000000100000000001000000000010000000000100000000001000000000000001000000000010000000000100 |
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5050 50 00000000100000000001000000000010000000000100000000001000000000010100000000001000000000010000000000100 |
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-- vvv |
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5959 59 00000000100000000001000000000010000000000100000000001000000000000001000000000010000000000100000000001 |
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6060 60 00000000001000000000010000000000100000000001000000000010100000000001000000000010000000000100000000001 |
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-- vvv |
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6969 69 00000000001000000000010000000000100000000001000000000000001000000000010000000000100000000001000000000 |
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7070 70 01000000000010000000000100000000001000000000010100000000001000000000010000000000100000000001000000000 |
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-- vvv |
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7979 79 01000000000010000000000100000000001000000000000001000000000010000000000100000000001000000000010000000 |
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8080 80 00010000000000100000000001000000000010100000000001000000000010000000000100000000001000000000010000000 |
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-- vvv |
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8989 89 00010000000000100000000001000000000000001000000000010000000000100000000001000000000010000000000100000 |
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9090 90 00000100000000001000000000010100000000001000000000010000000000100000000001000000000010000000000100000 |
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-- V VVV |
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9999 99 00000100000000000000000000000000010000000000100000000001000000000010000000000100000000001000000000010 |
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---- |
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99889 989 01000000000010000000000100000000001000000000010100000000001000000000010000000000100000000001000000000 |
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-- v v vvv |
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99990 990 01000000000010000000000000000000000000000000000000000100000000001000000000010000000000100000000001000 |
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First line found: |
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..8810 matches found... last one |
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100992930 999930 00000001010000000000100000000001000000000010000000000100000000001000000000010000000000100000000001000 |
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<pre> |
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[[user:Horsth|Horsth]] ~~~~ |
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== Go, tweaked == |
== Go, tweaked == |