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

2,1

LINKS

Table of n, a(n) for n=2..16.

CROSSREFS

Sequence in context: A118266 A054885 A000449 * A253674 A016082 A003355

Adjacent sequences:  A027271 A027272 A027273 * A027275 A027276 A027277

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 15 16:13 EDT 2019. Contains 324142 sequences. (Running on oeis4.)