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Search: id:A027234
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A027234 a(n) = Sum{T(n,k)*T(n,k+3), 0<=k<=n-3, T given by A026758. +0
1
1, 9, 62, 320, 1837, 8376, 45666, 198471, 1065418, 4523403, 24247545, 101589616, 547233490, 2273356598, 12341618508, 50963502172, 279167141052 (list; graph; listen)
OFFSET

3,2
CROSSREFS

Sequence in context: A025014 A075139 A098921 this_sequence A081574 A084151 A159235

Adjacent sequences: A027231 A027232 A027233 this_sequence A027235 A027236 A027237

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

page 1

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

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