OFFSET
0,2
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..446
FORMULA
a(n) ~ n * A130263(n).
MATHEMATICA
nn=25; Range[0, nn]!*CoefficientList[Series[1/(1-x)*Product[1+Sinh[x^k/k], {k, 1, nn}], {x, 0, nn}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Mar 20 2016
STATUS
approved