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Search: id:A120354
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A120354 11*3^n. +0
1
11, 33, 99, 297, 891, 2673, 8019, 24057, 72171, 216513, 649539, 1948617, 5845851, 17537553, 52612659, 157837977, 473513931, 1420541793, 4261625379, 12784876137, 38354628411, 115063885233, 345191655699, 1035574967097 (list; graph; listen)
OFFSET

0,1

COMMENT

Square root of A120353.

LINKS

Index entries for sequences related to linear recurrences with constant coefficients

Tanya Khovanova, Recursive Sequences

FORMULA

a(n)=3*a(n-1), n>0 ; a(0)=11 . G.f.: 11/(1-3*x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 23 2008]

MAPLE

with(finance):seq(futurevalue(11, 2, n), n=0..23); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 25 2009]

CROSSREFS

Sequence in context: A063036 A163673 A027025 this_sequence A136199 A041230 A063162

Adjacent sequences: A120351 A120352 A120353 this_sequence A120355 A120356 A120357

KEYWORD

nonn

AUTHOR

Anton Joha (antonjoha(AT)hotmail.com), Jun 25 2006

EXTENSIONS

Better definition from Tanya Khovanova (tanyakh(AT)yahoo.com), Jan 20 2007

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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