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A027786
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13*(n+1)*C(n+2,13)/2.
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0
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78, 1183, 9555, 54600, 247520, 946764, 3174444, 9573720, 26453700, 67897830, 163601438, 373173528, 811246800, 1690097500, 3389852700, 6571099080, 12351232530, 22574731725, 40219349625, 69995780400, 119218619520
(list; graph; refs; listen; history; internal format)
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