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 A294258 Expansion of e.g.f.: exp((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5) - 1). 2

%I #14 Oct 29 2020 17:13:43

%S 1,-1,-1,5,1,79,31,-2059,-68095,129599,5586751,36420229,-159700991,

%T -6256012465,-94786800289,-3320395014091,74018996229121,

%U 1093450523140351,-4548151329265025,-222875601233847931,-7118941159301980159,-60758029090422335281

%N Expansion of e.g.f.: exp((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5) - 1).

%H Seiichi Manyama, <a href="/A294258/b294258.txt">Table of n, a(n) for n = 0..458</a>

%t With[{nn=30},CoefficientList[Series[Exp[Times@@(1-x^Range[5])-1],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Oct 29 2020 *)

%o (PARI) N=66; x='x+O('x^N); Vec(serlaplace(exp((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5)-1)))

%Y Column k=5 of A294254.

%K sign

%O 0,4

%A _Seiichi Manyama_, Oct 26 2017

%E Definition clarified by _Harvey P. Dale_, Oct 29 2020

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Last modified February 24 11:15 EST 2024. Contains 370303 sequences. (Running on oeis4.)