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A027332 Sum{T(n,k)*T(n,k+3)}, 0<=k<=n-1, T given by A026148. +0
1
20, 176, 1512, 12870, 109164, 924748, 7834168, 66418402, 563744942, 4791449750, 40783720460, 347663922060 (list; graph; listen)
OFFSET

3,1
CROSSREFS

Sequence in context: A047819 A163689 A140044 this_sequence A159538 A091983 A037250

Adjacent sequences: A027329 A027330 A027331 this_sequence A027333 A027334 A027335

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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