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Search: id:A016149
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A016149 Expansion of 1/((1-4x)(1-6x)). +0
4
1, 10, 76, 520, 3376, 21280, 131776, 807040, 4907776, 29708800, 179301376, 1080002560, 6496792576, 39047864320, 234555621376, 1408407470080, 8454739787776, 50745618595840, 304542431051776 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=10a(n-1)-24a(n-2), n>1; a(0)=1. a(n)=[(6^(n+1))-4^(n+1)]/2 - Barry E. Williams, Jan 13 2000.

CROSSREFS

Sequence in context: A136869 A108277 A061319 this_sequence A081199 A107903 A075489

Adjacent sequences: A016146 A016147 A016148 this_sequence A016150 A016151 A016152

KEYWORD

nonn

AUTHOR

njas

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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