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A027111
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a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A027082.
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0
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6, 52, 404, 3237, 26086, 211730, 1730114, 14223429, 117563545, 976408938, 8144436109, 68197885773, 573056586975, 4830577196508, 40836850965484, 346138265331977
(list; graph; refs; listen; history; internal format)
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