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A027796
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55*(n+1)*C(n+3,11)/3.
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0
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165, 2200, 15730, 80080, 325325, 1121120, 3403400, 9335040, 23556390, 55426800, 122862740, 258658400, 520550030, 1006778080, 1879537000, 3399510400, 5975701875, 10236025800, 17125658550, 28042014000
(list; graph; refs; listen; history; internal format)
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