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A027284 a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A026584. 0
5, 28, 167, 1024, 6359, 39759, 249699, 1573524, 9943905, 62994733, 399936573, 2543992514, 16210331727, 103453402718, 661164765879 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

CROSSREFS

Sequence in context: A090040 A025174 A083316 * A069731 A143647 A082031

Adjacent sequences:  A027281 A027282 A027283 * A027285 A027286 A027287

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.