OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
FORMULA
G.f.: Product_{n>=1} (1 - x^n)^(n^6).
a(n) = -(1/n)*Sum_{k=1..n} sigma_7(k)*a(n-k).
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Mar 05 2017
STATUS
approved