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A045755 E.g.f. -1+(1-8*x)^(-1/8), 8-factorial numbers. +0
14
1, 9, 153, 3825, 126225, 5175225, 253586025, 14454403425, 939536222625, 68586144251625, 5555477684381625, 494437513909964625, 47960438849266568625, 5035846079172989705625, 569050606946547836735625 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n+1)= (8*n+1)(!^8) := product(8*k+1, k=0..n), n >= 0; E.g.f. -1+(1-8*x)^(-1/8).

CROSSREFS

Cf. A008542, A051187.

Sequence in context: A130980 A133309 A113391 this_sequence A113137 A009037 A012148

Adjacent sequences: A045752 A045753 A045754 this_sequence A045756 A045757 A045758

KEYWORD

easy,nonn

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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