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A027204
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a(n) = Sum_{k=0..n-3} T(n,k) * T(n,k+3), with T given by A026714.
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1
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1, 14, 114, 846, 5217, 33058, 185624, 1101526, 5929477, 34039034, 179226693, 1009890836, 5250600651, 29257284226, 150953226411, 835291570006, 4288969189506, 23626483356528, 120937293900189, 664239986729098, 3393075842573290
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