OFFSET
0,5
LINKS
FORMULA
G.f.: Product_{k>=1} 1/(1 - x^A030230(k)).
EXAMPLE
a(7) = 4 because we have [7], [5, 2], [4, 3] and [3, 2, 2].
MATHEMATICA
nmax = 60; CoefficientList[Series[Product[1/(1 - Boole[OddQ[PrimeNu[k]]] x^k), {k, 1, nmax}], {x, 0, nmax}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Apr 26 2017
STATUS
approved