A267375 Numbers n such that (47^n - 1)/46 is prime.
127, 18013, 39623
Offset: 1
Programs
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PARI
is(n)=ispseudoprime((47^n-1)/46) \\ Charles R Greathouse IV, Jun 13 2017
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((47^n-1)/46) \\ Charles R Greathouse IV, Jun 13 2017