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Search: id:A026583
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| A026583 |
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a(n) = Sum{T(i,j)}, 0<=j<=i, 0<=i<=2n, T given by A026568. |
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3
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| 1, 4, 11, 30, 77, 200, 511, 1314, 3361, 8620, 22067, 56550, 144821, 371024, 950311, 2434410, 6235657, 15973300, 40915931, 104809134, 268472861, 687709400, 1761600847, 4512438450, 11558841841, 29608595644, 75843963011
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