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Search: id:A027233
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A027233 Sum{T(n,k)*T(n,k+2), 0<=k<=n-2, T given by A026758. +0
1
1, 7, 34, 184, 785, 4107, 16894, 88397, 358212, 1892182, 7609892, 40695540, 162938176, 882569071, 3523144085, 19320028921, 76956041950, 426863069443 (list; graph; listen)
OFFSET

2,2
CROSSREFS

Sequence in context: A055271 A027209 A080048 this_sequence A117650 A144038 A027842

Adjacent sequences: A027230 A027231 A027232 this_sequence A027234 A027235 A027236

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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