A212317 Numbers m such that both 3*2^m + 5 and 5*2^m + 3 are prime.
1, 2, 3, 4, 5, 7, 8, 32
Offset: 1
Programs
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Mathematica
Select[Range[0,2200], PrimeQ[5*2^#+3] && PrimeQ[3*2^#+5]&]
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
Select[Range[0,2200], PrimeQ[5*2^#+3] && PrimeQ[3*2^#+5]&]
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