Cullen and Woodall numbers: Difference between revisions
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First 12 Woodall primes: (in terms of n) |
First 12 Woodall primes: (in terms of n) |
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2 3 6 30 75 81 115 123 249 362 384 462</pre> |
2 3 6 30 75 81 115 123 249 362 384 462</pre> |
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=={{header|Ring}}== |
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<lang ring> |
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load "stdlib.ring" |
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see "working..." + nl |
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see "First 20 Cullen numbers:" + nl |
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for n = 1 to 20 |
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num = n*pow(2,n)+1 |
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see "" + num + " " |
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next |
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see nl + nl + "First 20 Woodall numbers:" + nl |
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for n = 1 to 20 |
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num = n*pow(2,n)-1 |
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see "" + num + " " |
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next |
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see nl + "done..." + nl |
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</lang> |
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{{out}} |
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<pre> |
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working... |
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First 20 Cullen numbers: |
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3 9 25 65 161 385 897 2049 4609 10241 22529 49153 106497 229377 491521 1048577 2228225 4718593 9961473 20971521 |
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First 20 Woodall numbers: |
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1 7 23 63 159 383 895 2047 4607 10239 22527 49151 106495 229375 491519 1048575 2228223 4718591 9961471 20971519 |
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done... |
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</pre> |
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=={{header|Wren}}== |
=={{header|Wren}}== |