OFFSET
1,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..120
Eric Weisstein's World of Mathematics, Factorial Sums
MATHEMATICA
Accumulate[(Range[15]!)^5] (* Harvey P. Dale, Jan 24 2021 *)
PROG
(PARI) {a(n) = sum(k=1, n, k!^5)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Aug 03 2018
STATUS
approved