OFFSET
0,5
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..487
FORMULA
a(n) = (-1)^n * A292969(n).
a(n) = n! * Sum_{k=0..floor(n/4)} k^(n-4*k)/(k! * (n-4*k)!). - Seiichi Manyama, Jul 10 2022
PROG
(PARI) x='x+O('x^66); Vec(serlaplace(exp(x^4*exp(x))))
(PARI) a(n) = n!*sum(k=0, n\4, k^(n-4*k)/(k!*(n-4*k)!)); \\ Seiichi Manyama, Jul 10 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Sep 27 2017
STATUS
approved