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A294607 Expansion of Product_{k>=1} (1 - k*x^k)^(k^(2*k)). 3
1, -1, -32, -2155, -259477, -48496477, -13001163543, -4732376829091, -2246495500625034, -1348407234549297356, -998562296547665810106, -894380299878766527522232, -953030926136814034550634393, -1191548000252369142490485950437 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..213

MATHEMATICA

nmax = 20; CoefficientList[Series[Product[(1 - k*x^k)^(k^(2*k)), {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Nov 05 2017 *)

PROG

(PARI) N=20; x='x+O('x^N); Vec(prod(k=1, N, (1-k*x^k)^k^(2*k)))

CROSSREFS

Column k=2 of A294605.

Sequence in context: A202547 A222830 A079202 * A294953 A239402 A085526

Adjacent sequences:  A294604 A294605 A294606 * A294608 A294609 A294610

KEYWORD

sign

AUTHOR

Seiichi Manyama, Nov 04 2017

STATUS

approved

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Last modified August 13 06:22 EDT 2020. Contains 336442 sequences. (Running on oeis4.)