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.

A290600 Irregular triangle T(n, k) read by rows: positive numbers non-coprime to A002808(n) and smaller than A002808(n), sorted increasingly.

Table of values

n a(n)
1 2
2 2
3 3
4 4
5 2
6 4
7 6
8 3
9 6
10 2
11 4
12 5
13 6
14 8
15 2
16 3
17 4
18 6
19 8
20 9
21 10
22 2
23 4
24 6
25 7
26 8
27 10
28 12
29 3
30 5
31 6
32 9
33 10
34 12
35 2
36 4
37 6
38 8
39 10
40 12
41 14
42 2
43 3
44 4
45 6
46 8
47 9
48 10
49 12
50 14
51 15
52 16
53 2
54 4
55 5
56 6
57 8
58 10
59 12
60 14
61 15
62 16
63 18
64 3
65 6
66 7
67 9
68 12
69 14
70 15
71 18

List of values

[2, 2, 3, 4, 2, 4, 6, 3, 6, 2, 4, 5, 6, 8, 2, 3, 4, 6, 8, 9, 10, 2, 4, 6, 7, 8, 10, 12, 3, 5, 6, 9, 10, 12, 2, 4, 6, 8, 10, 12, 14, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 2, 4, 5, 6, 8, 10, 12, 14, 15, 16, 18, 3, 6, 7, 9, 12, 14, 15, 18]