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.

A007622 Consider Leibniz's harmonic triangle (A003506) and look at the non-boundary terms. Sequence gives numbers appearing in denominators, sorted.

Table of values

n a(n)
1 6
2 12
3 20
4 30
5 42
6 56
7 60
8 72
9 90
10 105
11 110
12 132
13 140
14 156
15 168
16 182
17 210
18 240
19 252
20 272
21 280
22 306
23 342
24 360
25 380
26 420
27 462
28 495
29 504
30 506
31 552
32 600
33 630
34 650
35 660
36 702
37 756
38 812
39 840
40 858
41 870
42 930
43 992
44 1056
45 1092
46 1122
47 1190
48 1260
49 1320
50 1332

List of values

[6, 12, 20, 30, 42, 56, 60, 72, 90, 105, 110, 132, 140, 156, 168, 182, 210, 240, 252, 272, 280, 306, 342, 360, 380, 420, 462, 495, 504, 506, 552, 600, 630, 650, 660, 702, 756, 812, 840, 858, 870, 930, 992, 1056, 1092, 1122, 1190, 1260, 1320, 1332]