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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A227012 a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n^3.

Table of values

n a(n)
1 1
2 4
3 16
4 43
5 91
6 166
7 275
8 422
9 614
10 857
11 1158
12 1521
13 1953
14 2460
15 3049
16 3724
17 4492
18 5359
19 6332
20 7415
21 8615
22 9938
23 11391
24 12978
25 14706
26 16581
27 18610
28 20797
29 23149
30 25672
31 28373
32 31256
33 34328
34 37595
35 41064
36 44739
37 48627
38 52734
39 57067
40 61630
41 66430
42 71473

List of values

[1, 4, 16, 43, 91, 166, 275, 422, 614, 857, 1158, 1521, 1953, 2460, 3049, 3724, 4492, 5359, 6332, 7415, 8615, 9938, 11391, 12978, 14706, 16581, 18610, 20797, 23149, 25672, 28373, 31256, 34328, 37595, 41064, 44739, 48627, 52734, 57067, 61630, 66430, 71473]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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