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Search: id:A026560
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A026560 a(n) = T(2n,n-2), T given by A026552. +0
1
1, 4, 18, 74, 311, 1296, 5432, 22796, 95958, 404812, 1711600, 7250970, 30772989, 130810512, 556867224, 2373764416, 10130935783, 43285462884 (list; graph; listen)
OFFSET

2,2
CROSSREFS

Sequence in context: A075675 A047034 A069008 this_sequence A037674 A066259 A084213

Adjacent sequences: A026557 A026558 A026559 this_sequence A026561 A026562 A026563

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

page 1

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

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