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Search: id:A084643
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A084643 3^(n-1)(2n-3)+2^(n+1). +0
3
1, 3, 11, 43, 167, 631, 2315, 8275, 28943, 99439, 336659, 1126027, 3728279, 12239527, 39890843, 129205699, 416249375, 1334710495, 4262149667, 13560765691, 43005771431, 135988785943, 428882869931, 1349402340403 (list; graph; listen)
OFFSET

0,2

FORMULA

Binomial transform of A048495. Second binomial transform of 1, 1, 3, 5, 7, ...

CROSSREFS

Cf. A060747.

Sequence in context: A118166 A106876 A034477 this_sequence A007583 A026671 A026876

Adjacent sequences: A084640 A084641 A084642 this_sequence A084644 A084645 A084646

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jun 09 2003

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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