A025210 a(n) = floor(floor(S3)/floor(S1)); where S3 and S1 are, respectively, the third and first elementary symmetric functions of {log(k)}, k = 1,2,...,n.
0, 1, 3, 6, 11, 18, 25, 36, 50, 64, 81, 104, 127, 153, 182, 215, 251, 292, 336, 385, 438, 487, 549, 616, 687, 753, 835, 910, 1002, 1087, 1190, 1285, 1400, 1505, 1632, 1748, 1870, 1997, 2148, 2287, 2431, 2582, 2759, 2922, 3091
Offset: 4
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Title corrected and more terms from Sean A. Irvine, Aug 18 2019