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Search: id:A026935
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| A026935 |
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a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=n-2, T given by A008288. |
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| 1, 10, 75, 500, 3149, 19214, 115031, 680424, 3992921, 23305234, 135514019, 785892316, 4549048229, 26295995926, 151857925039, 876366840784
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