OFFSET
0,5
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..450
FORMULA
PROG
(PARI) my(N=30, x='x+O('x^N)); concat([0, 0, 0], Vec(sum(k=0, N, k!*x^k*(((1-x^3)/(1-x^4))^k-((1-x^2)/(1-x^3))^k))))
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Feb 17 2024
STATUS
approved