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A143637 E.g.f. satisfies: A(x) = exp(x*A(((x+1)^6-1)/6)). 2
1, 1, 3, 31, 505, 12521, 443227, 20766159, 1240975409, 92068494625, 8282460205891, 886498379552919, 111190541933344777, 16136424098890466281, 2680205744964849259355, 504746978220729054647911, 106901213223866930807470433, 25280598116469824339521406081 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..100

MAPLE

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, 6)(x), x, n)*n!: seq (a(n), n=0..20);

CROSSREFS

Cf. 6th column of A143632.

Sequence in context: A047798 A126346 A142999 * A121563 A105293 A104841

Adjacent sequences:  A143634 A143635 A143636 * A143638 A143639 A143640

KEYWORD

nonn

AUTHOR

Alois P. Heinz (heinz(AT)hs-heilbronn.de), Aug 27 2008

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Last modified February 16 13:30 EST 2012. Contains 205909 sequences.