OFFSET
0,5
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
N. J. A. Sloane, Transforms
FORMULA
G.f.: 1/(1 - x*Product_{k>=1} 1/(1 + x^k)).
a(0) = 1; a(n) = Sum_{k=1..n} A081362(k-1)*a(n-k).
MATHEMATICA
nmax = 60; CoefficientList[Series[1/(1 - x Product[1/(1 + x^k), {k, 1, nmax}]), {x, 0, nmax}], x]
CROSSREFS
Antidiagonal sums of A286352.
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Feb 05 2018
STATUS
approved