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A132060
Row sums of triangle A132056 (S2(8), Stirling2 generalization).
1
1, 9, 145, 3361, 101601, 3786601, 167756689, 8611201665, 502522701121, 32854723149961, 2378687990172561, 188913154677765409, 16328988725252964385, 1525987835722540609641, 153312690475268723848081
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
Cf. A092084 (row sums of S2(7)=A092082).
Sequence in context: A046529 A331329 A064091 * A362656 A320333 A178185
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang Sep 14 2007
STATUS
approved