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Search: id:A027274
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A027274 Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A026552. +0
1
10, 40, 342, 1279, 11016, 41462, 359530, 1365014, 11899516, 45501743, 398306769, 1531614109, 13450930624, 51952990090, 457449811458 (list; graph; listen)
OFFSET

2,1
CROSSREFS

Sequence in context: A118266 A054885 A000449 this_sequence A012868 A016082 A003355

Adjacent sequences: A027271 A027272 A027273 this_sequence A027275 A027276 A027277

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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