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A126452
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Column 1 of triangle A126450; a(n) = C( C(n+3,3), n).
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6
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1, 4, 45, 1140, 52360, 3819816, 406481544, 59487568920, 11468588169060, 2818651865383860, 860587163078645431, 319667046321630491484, 141992594868360194121800, 74339194732961502662043600
(list; graph; refs; listen; history; internal format)
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