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Search: id:A013756
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A013756 15^(3n+1). +0
1
15, 50625, 170859375, 576650390625, 1946195068359375, 6568408355712890625, 22168378200531005859375, 74818276426792144775390625, 252511682940423488616943359375 (list; graph; listen)
OFFSET

0,1

LINKS

Tanya Khovanova, Recursive Sequences

FORMULA

a(n)=3375*a(n-1), n>0 ; a(0)=15 . G.f.: 15/(1-3375*x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 03 2008]

CROSSREFS

Sequence in context: A068939 A157643 A104682 this_sequence A078185 A096224 A129613

Adjacent sequences: A013753 A013754 A013755 this_sequence A013757 A013758 A013759

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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