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Search: id:A155592
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A155592 8^n+2^n-1^n. +0
20
1, 9, 67, 519, 4111, 32799, 262207, 2097279, 16777471, 134218239, 1073742847, 8589936639, 68719480831, 549755822079, 4398046527487, 35184372121599, 281474976776191, 2251799813816319, 18014398509744127, 144115188076380159 (list; graph; listen)
OFFSET

0,2

FORMULA

G.f.: 1/(1-8*x)+1/(1-2*x)-1/(1-x). E.g.f.: e^(8*x)+e^(2*x)-e^x.

CROSSREFS

A074501; A074600; A005057; A005056; A099393; A155588; A155590.

Sequence in context: A163349 A016130 A115202 this_sequence A002051 A133120 A048742

Adjacent sequences: A155589 A155590 A155591 this_sequence A155593 A155594 A155595

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 24 2009

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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