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A209425 Column 2 of triangle A209424. 2
1, 12, 347, 20429, 1919660, 259227625, 47484618291, 11331926690549, 3416394867284954, 1269892206580345425, 570576180005762038644, 304859737124260849580998, 191049110542296621467314753, 138786261071300963667336947034, 115691448070469092032508527982414 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
PROG
(PARI) {a(n)=polcoeff(polcoeff(exp(sum(m=1, n, x^m/m*sum(k=0, m, binomial(m, k)^m*y^k))+x*O(x^n)), n, x), 2, y)}
for(n=0, 20, print1(a(n), ", "))
CROSSREFS
Sequence in context: A024297 A077296 A080481 * A171206 A219407 A203148
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Mar 08 2012
STATUS
approved

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Last modified June 22 04:41 EDT 2024. Contains 373561 sequences. (Running on oeis4.)