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Search: id:A008791
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| 0, 1, 128, 6561, 262144, 9765625, 362797056, 13841287201, 549755813888, 22876792454961, 1000000000000000, 45949729863572161, 2218611106740436992, 112455406951957393129, 5976303958948914397184, 332525673007965087890625
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets
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FORMULA
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E.g.f.(x): T(1+52T+328T^2+444T^3+120T^4)(1-T)^(-11); where T=T(x) is Euler's tree function (see A000169). - Len Smiley (smiley(AT)math.uaa.alaska.edu), Nov 17 2001
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MAPLE
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a:=n->mul( n, k=-4..n): seq(a(n), n=0..15); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 26 2008
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CROSSREFS
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Cf. A000169, A000272, A000312, A007778, A007830, A008785-A008790.
Adjacent sequences: A008788 A008789 A008790 this_sequence A008792 A008793 A008794
Sequence in context: A019564 A128802 A022150 this_sequence A013700 A035817 A001661
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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