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Search: id:A126947
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A126947 The sequence c[n] defined in A126940. +0
2
0, 2, 4, 12, 42, 132, 414, 1320, 4198, 13322, 42308, 134392, 426832, 1355612, 4305518, 13674594, 43431194, 137939776, 438104256, 1391442706, 4419296770, 14035924512, 44578852058, 141584833642, 449681053086, 1428211232054, 4536075755738, 14406820782444 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Adjacent sequences: A126944 A126945 A126946 this_sequence A126948 A126949 A126950

Sequence in context: A134983 A090959 A126942 this_sequence A063179 A096802 A139669

KEYWORD

nonn

AUTHOR

njas, Mar 18 2007

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Last modified October 16 00:31 EDT 2008. Contains 145098 sequences.


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