|
|
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
|
|
|
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
|
|
|
KEYWORD
|
sign
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|