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Search: id:A027254
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A027254 Sum{T(n,k)*T(n,k+2), 0<=k<=n-2, T given by A026703. +0
1
1, 10, 62, 384, 1999, 11214, 55349, 298990, 1442299, 7649710, 36470860, 191481848, 906843279, 4732185974, 22320602389, 116024453570, 545848582951 (list; graph; listen)
OFFSET

2,2
CROSSREFS

Sequence in context: A025574 A015867 A106629 this_sequence A159240 A055368 A077616

Adjacent sequences: A027251 A027252 A027253 this_sequence A027255 A027256 A027257

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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