OFFSET
1,1
COMMENTS
LINKS
Eric Weisstein's World of Mathematics, Factorial Sums
Eric Weisstein's World of Mathematics, Integer Sequence Primes
EXAMPLE
A289946(5) = 2986175149697 is prime.
PROG
(PARI) isok(n) = isprime(sum(k=1, n, k!^6)); \\ Michel Marcus, Jul 17 2017
CROSSREFS
KEYWORD
nonn,bref,full,fini
AUTHOR
Eric W. Weisstein, Jul 16 2017
STATUS
approved