A141797 Numbers n such that 2*17^n + 1 is prime.
0, 47, 5991, 147459
Offset: 1
Programs
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PARI
is(n) = ispseudoprime(2*17^n + 1); \\ Altug Alkan, Jan 10 2016
Extensions
a(4) from Robert Price, Jan 10 2016
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.
is(n) = ispseudoprime(2*17^n + 1); \\ Altug Alkan, Jan 10 2016
Comments