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A092327
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(1/12)*(n+1)*(n^3+19*n^2+118*n+228).
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0
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0, 19, 61, 137, 260, 445, 709, 1071, 1552, 2175, 2965, 3949, 5156, 6617, 8365, 10435, 12864, 15691, 18957, 22705, 26980, 31829, 37301, 43447, 50320, 57975, 66469, 75861, 86212, 97585, 110045, 123659, 138496, 154627, 172125, 191065, 211524, 233581, 257317
(list; graph; refs; listen; history; internal format)
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