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A045756 E.g.f. -1+(1-9*x)^(-1/9), 9-factorial numbers. +0
13
1, 10, 190, 5320, 196840, 9054640, 498005200, 31872332800, 2326680294400, 190787784140800, 17361688356812800, 1736168835681280000, 189242403089259520000, 22330603564532623360000 (list; graph; listen)
OFFSET

1,2

LINKS

Index entries for sequences related to factorial numbers

FORMULA

a(n+1)= (9*n+1)(!^9) := product(9*k+1, k=0..n), n >= 0; E.g.f. -1+(1-9*x)^(-1/9).

CROSSREFS

Cf. A008542.

Sequence in context: A033714 A131521 A113373 this_sequence A072387 A134633 A006436

Adjacent sequences: A045753 A045754 A045755 this_sequence A045757 A045758 A045759

KEYWORD

easy,nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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