Ultra useful primes: Difference between revisions
→{{header|J}}: redo for j9.4 which fixes arbitrary precision performance problems
(Created Nim solution.) |
(→{{header|J}}: redo for j9.4 which fixes arbitrary precision performance problems) |
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Line 195:
<syntaxhighlight lang="j">uup=: {{
ref=. x: 2x^2^y+1
k=. 1
while. -. 1 p: ref-k do. k=. k+2 end.
Line 202:
I don't have the patience to get this little laptop to compute the first 10 such elements, so here I only show the first five:
<syntaxhighlight lang="j"> uup i.
1 3 5 15 5
timespacex'uup i.10'
0.845778 2680</syntaxhighlight>
=={{header|Julia}}==
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