OFFSET
1,2
COMMENTS
The only prime in this sequence is a(2) = 17 since a(n) is divisible by 13 for n >= 12 and there are no other primes with n < 12.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..144
Eric Weisstein's World of Mathematics, Factorial Sums
MATHEMATICA
Table[Sum[k!^4, {k, n}], {n, 12}]
Accumulate[(Range[15]!)^4] (* Harvey P. Dale, Jul 12 2019 *)
PROG
(PARI) a(n) = sum(k=1, n, k!^4); \\ Michel Marcus, Jul 16 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jul 16 2017
STATUS
approved