OFFSET
1,1
COMMENTS
The g.f. of A185653 is: exp( Sum_{n>=1} -3*sigma(2*n)*q^n/n ) = q^(-1/8) * eta(q)^9 / eta(q^2)^3 in powers of q.
LINKS
Paul D. Hanna, Table of n, a(n) for n = 1..2579
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jun 12 2015
STATUS
approved