OFFSET
0,8
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
FORMULA
G.f.: Product_{i>=1} Product_{j>=1} (1-x^(i*(8*j-1))) * (1-x^(i*(8*j-7))) / ((1-x^(i*(8*j-3))) * (1-x^(i*(8*j-5)))).
G.f.: Product_{k>=1} (1-x^k)^A035185(k).
PROG
(PARI) N=66; x='x+O('x^N); Vec(prod(k=1, N, (1-x^k)^sumdiv(k, d, kronecker(2, d))))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Sep 28 2019
STATUS
approved