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Search: id:A026115
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A026115 a(n) = T(2n,n-1), where T is the array defined in A026105. +0
1
1, 3, 15, 77, 413, 2266, 12636, 71290, 405790, 2325923, 13406666, 77632590, 451270925, 2631763500, 15391191315, 90230338449, 530098757210, 3120158068370, 18395925762046, 108621483748778 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A037766 A037654 A074561 this_sequence A027911 A104530 A031884

Adjacent sequences: A026112 A026113 A026114 this_sequence A026116 A026117 A026118

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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