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Search: id:A143638
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| A143638 |
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E.g.f. satisfies: A(x) = exp(x*A(((x+1)^7-1)/7)). |
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+0
2
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| 1, 1, 3, 34, 605, 16416, 644647, 33690574, 2252245353, 187575203080, 19000833293771, 2295318297423834, 325536649109809117, 53508774130762119508, 10080999100649218887615, 2156137639664134179951166
(list; graph; listen)
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OFFSET
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0,3
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MAPLE
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A:= proc(n, k::nonnegint) option remember; if n<=0 or k=0 then 1 else A(n-1, k)(((x+1)^k-1)/k) fi; unapply (convert (series (exp (x*%), x, n+1), polynom), x) end: a:= n-> coeff (A(n, 7)(x), x, n)*n!: seq (a(n), n=0..20);
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CROSSREFS
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Cf. 7th column of A143632.
Sequence in context: A134491 A045727 A105713 this_sequence A126753 A047794 A109521
Adjacent sequences: A143635 A143636 A143637 this_sequence A143639 A143640 A143641
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KEYWORD
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nonn
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AUTHOR
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Alois P. Heinz (heinz(AT)hs-heilbronn.de), Aug 27 2008
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