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A285244
Expansion of Product_{k>=1} (1 + k*x^(k^2)).
4
1, 1, 0, 0, 2, 2, 0, 0, 0, 3, 3, 0, 0, 6, 6, 0, 4, 4, 0, 0, 8, 8, 0, 0, 0, 17, 17, 0, 0, 34, 34, 0, 0, 0, 15, 15, 6, 6, 30, 30, 12, 32, 20, 0, 0, 58, 58, 0, 0, 43, 103, 60, 24, 38, 134, 120, 48, 48, 21, 21, 0, 102, 144, 42, 8, 240, 232, 0, 16, 72, 146, 90, 0
OFFSET
0,5
LINKS
MATHEMATICA
nmax = 100; CoefficientList[Series[Product[(1 + k*x^(k^2)), {k, 1, nmax}], {x, 0, nmax}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Apr 15 2017
STATUS
approved