

A303443


Expansion of Product_{k>=1} ((1 + 8^k*x^k)/(1  8^k*x^k))^(1/8^k).


3



1, 2, 4, 50, 98, 1830, 7264, 89326, 247252, 4520886, 20225372, 241414342, 786393322, 12744704970, 62688642800, 771140700226, 2635449405522, 40907909552038, 211134761381948, 2451388697035478, 9148627707018230, 143396849321918482, 743716982801639120
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OFFSET

0,2


LINKS



MATHEMATICA

nmax = 30; CoefficientList[Series[Exp[Sum[((1)^j  1) / (j*(1  1/(8^(j1)*x^j))), {j, 1, nmax}]], {x, 0, nmax}], x] (* Vaclav Kotesovec, Apr 25 2018 *)


PROG

(PARI) N=66; x='x+O('x^N); Vec(prod(k=1, N, ((1+8^k*x^k)/(18^k*x^k))^(1/8^k)))


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



