A294216 E.g.f.: exp(1/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5)) - 1).

1, 1, 5, 31, 265, 2621, 30901, 411475, 6232241, 103992985, 1909517221, 38038551431, 819452533945, 18924054045781, 466804248205205, 12234394315501051, 339537099805667041, 9941204417393228465, 306212116909615474501, 9894769026271957204975

Offset: 0

Author

Seiichi Manyama, Oct 25 2017

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..425
• Vaclav Kotesovec, Recurrence (of order 25)

Crossrefs

Column k=5 of A294212.

Programs

Mathematica

With[{nn=20},CoefficientList[Series[Exp[1/Times@@(1-x^Range[5])-1],{x,0,nn}],x] Range[0,nn]!] (* Harvey P. Dale, Sep 08 2018 *)

PARI

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