OFFSET
0,2
COMMENTS
Let k(q) = r(q) * r(q^2)^2.
G.f. satisfies: A(q) = ( (1 - k(q))/(1 + k(q)) )^2.
And r(q)^5 = k(q) * A(q).
LINKS
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Apr 17 2017
STATUS
approved