Special neighbor primes: Difference between revisions
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(→J: generate the array of primes just once) |
(→J: generate the triples directly, and by using the '2 f/\ y' SC) |
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=={{header|J}}== |
=={{header|J}}== |
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<syntaxhighlight lang="j"> (#~ 1 p: {:"1) (, |
<syntaxhighlight lang="j"> (#~ 1 p: {:"1) 2 (, , _1 + +)/\ p: i. p:inv 100 |
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3 5 7 |
3 5 7 |
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5 7 11 |
5 7 11 |
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