OFFSET
0,11
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..593
FORMULA
a(0) = 1; a(n) = -Sum_{k=5..n} binomial(n-1,k-1) * a(n-k). - Ilya Gutkovskiy, Nov 20 2020
MAPLE
seq(factorial(n)*coeftayl(exp(1+x+x^2/2!+x^3/3!+x^4/4!-exp(x)), x = 0, n), n=0..50); # Muniru A Asiru, Oct 06 2017
PROG
(PARI) my(x='x+O('x^66)); Vec(serlaplace(exp(-exp(x)+1+x+x^2/2+x^3/6+x^4/24)))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Sep 28 2017
STATUS
approved