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Search: id:A155656
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A155656 9^n+7^n-1^n +0
19
1, 15, 129, 1071, 8961, 75855, 649089, 5606511, 48811521, 427774095, 3769259649, 33358386351, 296270823681, 2638754838735, 23555015527809, 210638693604591, 1886253119421441, 16909812213653775, 151723048894909569 (list; graph; listen)
OFFSET

0,2

FORMULA

G.f.: 1/(1-9*x)+1/(1-7*x)-1/(1-x). E.g.f.: e^(9*x)+e^(7*x)-e^x.

CROSSREFS

A155638, A155639, A155640, A155641, A155642, A155643, A155644, A155645, A155646, A155647, A155648, A155649, A155650, A155651, A155652, A155653, A155654, A155655

Sequence in context: A127595 A056579 A156922 this_sequence A027630 A027629 A023013

Adjacent sequences: A155653 A155654 A155655 this_sequence A155657 A155658 A155659

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 31 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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