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A016125 Expansion of 1/((1-x)(1-12x)). +0
16
1, 13, 157, 1885, 22621, 271453, 3257437, 39089245, 469070941, 5628851293, 67546215517, 810554586205, 9726655034461, 116719860413533, 1400638324962397, 16807659899548765, 201691918794585181 (list; graph; listen)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

FORMULA

(12^(n+1) - 1)/11.

MAPLE

a:=n->sum(12^(n-j), j=1..n): seq(a(n), n=1..17); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 04 2007

CROSSREFS

Sequence in context: A130868 A072841 A125470 this_sequence A015470 A084328 A000830

Adjacent sequences: A016122 A016123 A016124 this_sequence A016126 A016127 A016128

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified July 4 13:19 EDT 2008. Contains 140839 sequences.


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