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A027142 a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A027113. 0
12, 105, 831, 6648, 53545, 434458, 3548871, 29166324, 241006333, 2001145585, 16688238416, 139711675493, 1173762075101, 9892582661593, 83617537623039 (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: A051815 A004321 A016223 * A090816 A144133 A089396

Adjacent sequences:  A027139 A027140 A027141 * A027143 A027144 A027145

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 24 13:10 EDT 2014. Contains 240983 sequences.