OFFSET
0,3
COMMENTS
Partial sums of A073592.
Euler transform of sequence [-2, -3, -4, -5, -6, -7, -8, -9, ...].
LINKS
FORMULA
G.f.: Product_{k>=2} (1 - x^k)^k.
MATHEMATICA
nmax = 48; CoefficientList[Series[Product[(1 - x^k)^k, {k, 2, nmax}], {x, 0, nmax}], x]
CROSSREFS
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Jan 22 2018
STATUS
approved