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A027104 Sum{T(n,k)*T(n,2n-k)}, 0<=k<=n, T given by A027082. +0
1
1, 2, 6, 25, 93, 357, 1373, 5188, 19456, 72373, 267137, 979762, 3573058, 12965292, 46839228, 168552205, 604420933, 2160638253, 7701879217, 27384190634, 97138835970, 343846037094, 1214761031998, 4283924048755 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A103063 A030228 A066317 this_sequence A019048 A028302 A064811

Adjacent sequences: A027101 A027102 A027103 this_sequence A027105 A027106 A027107

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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