OFFSET
0,19
COMMENTS
This sequence is different from A350894.
FORMULA
G.f.: Sum_{k>=0} x^(4*k^2+k)/Product_{j=1..k} (1-x^j).
PROG
(PARI) my(N=80, x='x+O('x^N)); Vec(sum(k=0, N, x^(4*k^2+k)/prod(j=1, k, 1-x^j)))
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, May 22 2024
STATUS
approved