OFFSET
0,5
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
N. J. A. Sloane, Transforms
MATHEMATICA
nmax = 50; CoefficientList[Series[Product[1/(1 - x^k)^Floor[DivisorSigma[0, k]/2], {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Nov 02 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Nov 02 2018
STATUS
approved