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A294471
E.g.f.: 1/Product_{k>0} (1+x^k/k)^k.
3
1, -1, 0, -6, 18, -90, 660, -3360, 47880, -293160, 4277280, -36424080, 575190000, -6745218480, 101911249440, -1628086299840, 24861230634240, -484979925830400, 7629427896330240, -176975913961566720, 3036472694482106880, -77953392499390087680
OFFSET
0,4
LINKS
MATHEMATICA
With[{nn=30}, CoefficientList[Series[1/Product[(1+x^k/k)^k, {k, nn}], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jul 30 2021 *)
PROG
(PARI) N=66; x='x+O('x^N); Vec(serlaplace(1/prod(k=1, N, (1+x^k/k)^k)))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Oct 31 2017
STATUS
approved