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A025213
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a(n) = 3rd elementary symmetric function of {Sum{1/j, j = 1,2,...,k} ], k = 1,2,...,n.
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0
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2, 15, 49, 122, 255, 472, 804, 1284, 1950, 2842, 4005, 5488, 7341, 9619, 12380, 15683, 19594, 24177, 29503, 35642, 42669, 50662, 59699, 69863, 81238, 93910, 107969, 123505, 140612, 159386, 179924, 202326, 226695, 253132, 281746, 312643, 345934, 381729
(list; graph; refs; listen; history; internal format)
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