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Search: id:A084858
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A084858 Binomial transform of A001651. +0
3
1, 3, 9, 24, 60, 144, 336, 768, 1728, 3840, 8448, 18432, 39936, 86016, 184320, 393216, 835584, 1769472, 3735552, 7864320, 16515072, 34603008, 72351744, 150994944, 314572800, 654311424, 1358954496, 2818572288, 5838471168, 12079595520 (list; graph; listen)
OFFSET

0,2

COMMENT

a(n+1)/3=A001792(n).

FORMULA

G.f.: (x^2-x+1)/(1-2x)^2; a(n)=3(0^n/3+2^n+n*2^n)/4.

CROSSREFS

Sequence in context: A120539 A086796 A034330 this_sequence A003262 A079282 A117585

Adjacent sequences: A084855 A084856 A084857 this_sequence A084859 A084860 A084861

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jun 11 2003

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.


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