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Search: id:A136588
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| 1, 1, 2, 21, 124, 1880, 20046, 391419, 6195288, 147481299, 3121373690, 87790122816, 2329580861268, 75790954533385, 2415630777959686, 89478235732836705, 3323789119614522416, 138402773923330655700
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OFFSET
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0,3
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PROGRAM
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(PARI) {a(n)=sum(k=0, n, if(k==0, 0^n, n^k*n!/(k-1)!* sum(i=0, n-1, (-1)^i*polcoeff(((exp(x+x*O(x^n))-1)^(k+i)), n)*binomial(2*i+k, i)/(2*i+k))))}
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CROSSREFS
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Cf. A136595; A048287, A136596, A136597; A136589.
Adjacent sequences: A136585 A136586 A136587 this_sequence A136589 A136590 A136591
Sequence in context: A079840 A091789 A109789 this_sequence A098661 A095262 A112673
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Jan 10 2008
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