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A071009
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Number of solutions (x,y,z,u,v,w) to x+y+z = u+v+w, 0<=x,y,z,u,v,w<=n-1, x>=y>=z, u>=v>=w.
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0
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1, 4, 16, 48, 119, 256, 500, 900, 1525, 2456, 3796, 5664, 8207, 11588, 16004, 21672, 28845, 37800, 48856, 62356, 78691, 98280, 121592, 149128, 181445, 219132, 262840, 313256, 371131, 437256, 512492, 597740, 693977, 802224, 923580
(list; graph; refs; listen; history; internal format)
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