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A090949
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(1/24)*(n+1)*(3*n^3+59*n^2+358*n+648).
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0
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0, 27, 89, 203, 389, 670, 1072, 1624, 2358, 3309, 4515, 6017, 7859, 10088, 12754, 15910, 19612, 23919, 28893, 34599, 41105, 48482, 56804, 66148, 76594, 88225, 101127, 115389, 131103, 148364, 167270, 187922, 210424, 234883, 261409, 290115, 321117, 354534
(list; graph; refs; listen; history; internal format)
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