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Search: id:A002063
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A002063 9*4^n. +0
6
9, 36, 144, 576, 2304, 9216, 36864, 147456, 589824, 2359296, 9437184, 37748736, 150994944, 603979776, 2415919104, 9663676416, 38654705664, 154618822656, 618475290624, 2473901162496, 9895604649984 (list; graph; listen)
OFFSET

0,1
LINKS

Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets

Tanya Khovanova, Recursive Sequences

CROSSREFS

Essentially the same as A055841. First differences of A002001.

Sequence in context: A103158 A023872 A034557 this_sequence A075674 A110752 A094973

Adjacent sequences: A002060 A002061 A002062 this_sequence A002064 A002065 A002066

KEYWORD

nonn

AUTHOR

njas

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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