A062640 Numbers k such that 74^k - 73^k is prime.
23, 193, 811
Offset: 1
Programs
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PARI
is(n)=ispseudoprime(74^n-73^n) \\ 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(74^n-73^n) \\ Charles R Greathouse IV, Jun 13 2017
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