cp's OEIS Frontend

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.

A227017 Floor(M(g(n-1)+1,..,g(n))), where M = harmonic mean and g(n) = n(3n-1)/2 = A000326(n).

Table of values

n a(n)
1 1
2 3
3 8
4 17
5 28
6 43
7 60
8 81
9 104
10 131
11 160
12 193
13 228
14 267
15 308
16 353
17 400
18 451
19 504
20 561
21 620
22 683
23 748
24 817
25 888
26 963
27 1040
28 1121
29 1204
30 1291
31 1380
32 1473
33 1568
34 1667
35 1768
36 1873
37 1980
38 2091
39 2204
40 2321
41 2440
42 2563
43 2688
44 2817
45 2948
46 3083
47 3220
48 3361
49 3504

List of values

[1, 3, 8, 17, 28, 43, 60, 81, 104, 131, 160, 193, 228, 267, 308, 353, 400, 451, 504, 561, 620, 683, 748, 817, 888, 963, 1040, 1121, 1204, 1291, 1380, 1473, 1568, 1667, 1768, 1873, 1980, 2091, 2204, 2321, 2440, 2563, 2688, 2817, 2948, 3083, 3220, 3361, 3504]