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Search: id:A026986
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A026986 a(n) = self-convolution of array T given by A026681. +0
1
1, 2, 11, 52, 200, 742, 3532, 18216, 80728, 331320, 1567106, 8014124, 36841482, 158071146, 751787936, 3820895710, 17829567326, 78319157796, 374296581082 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A054665 A134963 A026956 this_sequence A026996 A110308 A027201

Adjacent sequences: A026983 A026984 A026985 this_sequence A026987 A026988 A026989

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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