A062591 Primes of the form 6*k! + 1.

7, 13, 37, 30241, 241921, 2177281, 2874009601, 37362124801, 38414242234368001, 3722690410399436636160001, 3138135704799606670560043344600445747200000001

Offset: 1

Author

Jason Earls, Jul 10 2001

Keywords

• nonn

Crossrefs

Cf. A076682, A173314.

Programs

Mathematica

Select[6Range[100]! + 1, PrimeQ] (* Alonso del Arte, Sep 27 2013 *)

PARI

for(n=1,50, if(isprime(6*n!+1),print(6*n!+1)))

Formula

a(n) = A173314(A076682(n+1)). - Elmo R. Oliveira, Apr 17 2025