OFFSET
1,2
COMMENTS
Generalized Bell numbers B(8,1;n).
FORMULA
a(n)=sum(A132056(n, m), m=1..n), n>=1.
E.g.f.: exp(-1+(1-7*x)^(-1/7)) - 1.
MATHEMATICA
With[{nn=30}, Rest[CoefficientList[Series[Exp[-1+(1-7x)^(-1/7)]-1, {x, 0, nn}], x] Range[0, nn]!]] (* Harvey P. Dale, Sep 23 2011 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang Sep 14 2007
STATUS
approved