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A027985
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a(n) = Sum{T(n,k)*T(n,k+1)}, 0<=k<=2n-1, T given by A027960.
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0
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6, 35, 144, 564, 2186, 8468, 32856, 127729, 497454, 1940525, 7580656, 29651385, 116111194, 455138499, 1785707924, 7011933544, 27554583254, 108355491404, 426368213364, 1678704356644, 6613026412314, 26064305550054, 102777232982624
(list; graph; refs; listen; history; internal format)
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