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Search: id:A126151
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A126151 Column 0 and row sums of symmetric triangle A126150. +0
5
1, 1, 6, 96, 2976, 151416, 11449296, 1204566336, 168233625216, 30110372009856, 6719377991060736, 1829013279998846976, 596449130341224185856, 229556544889929225117696, 102956750031135241952280576 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n)=Sum_{k, 0<=k<=n}A087736(n,k)*2^(n-k). - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jul 17 2007

CROSSREFS

Cf. A126150; diagonals: A126152, A126153.

Sequence in context: A001805 A139743 A038094 this_sequence A066319 A111826 A064753

Adjacent sequences: A126148 A126149 A126150 this_sequence A126152 A126153 A126154

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Dec 19 2006

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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