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A027110
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a(n) = Sum{T(n,k)*T(n,k+1)}, 0<=k<=2n-1, T given by A027082.
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0
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2, 11, 80, 591, 4492, 34859, 274834, 2194175, 17697088, 143951359, 1179361946, 9721994363, 80573155210, 670916858663, 5609929650932, 47082821529795, 396479220532944
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