OFFSET
0,8
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
Eric Weisstein's World of Mathematics, Kronecker Symbol
PROG
(PARI) N=66; x='x+O('x^N); Vec(prod(k=1, N, (1-x^k)^kronecker(3, k)))
CROSSREFS
KEYWORD
sign,look
AUTHOR
Seiichi Manyama, Sep 24 2019
STATUS
approved