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A126448
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Column 2 of triangle A126445; a(n) = C( C(n+4,3) - 4, n).
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4
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1, 6, 120, 4495, 270725, 24040016, 2967205528, 487444845680, 103073959989495, 27319423696620550, 8881600973913295056, 3478625214672347911080, 1616770762998304775695925, 880246034121663208464847200
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