Find squares n where n+1 is prime: Difference between revisions
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Found 10 numbers
done...
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=={{header|Sidef}}==
<lang ruby>1..1000.isqrt -> map { _**2 }.grep { is_prime(_+1) }.say</lang>
{{out}}
<pre>
[1, 4, 16, 36, 100, 196, 256, 400, 576, 676]
</pre>
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