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Search: id:A027285
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| A027285 |
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a(n) = Sum{T(n,k)*T(n,k+3)}, 0<=k<=2n-3, T given by A026584. |
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| 12, 116, 682, 4908, 30272, 201648, 1273286, 8275894, 52783298, 340392020, 2180905198, 14035736838, 90149817980, 580197442656
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