A370657 Numbers k such that A226199(k) = 7^k + k is prime.
34, 48, 8578, 18960
Offset: 1
Programs
-
PARI
is(n) = ispseudoprime(7^n+n)
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(7^n+n)
Comments