OFFSET
0,4
FORMULA
G.f.: 1 / (1 - Sum_{k>=2} x^A001045(k)).
MATHEMATICA
nmax = 40; CoefficientList[Series[1/(1 - Sum[x^((2^k - (-1)^k)/3), {k, 2, 20}]), {x, 0, nmax}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Oct 02 2022
STATUS
approved