OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..959
MATHEMATICA
Table[SeriesCoefficient[Exp[Sum[DivisorSigma[1, n k] x^k/k, {k, 1, n}]], {x, 0, n}], {n, 0, 23}]
CROSSREFS
KEYWORD
nonn,look
AUTHOR
Ilya Gutkovskiy, Sep 17 2018
STATUS
approved