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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.

A211230 Matrix square of lower triangular array A211226.

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 2
5 1
6 4
7 3
8 2
9 1
10 8
11 8
12 6
13 4
14 1
15 8
16 8
17 8
18 6
19 2
20 1
21 20
22 24
23 24
24 24
25 9
26 6
27 1
28 16
29 20
30 24
31 24
32 12
33 9
34 2
35 1
36 48
37 64
38 80
39 96
40 48
41 48
42 12
43 8
44 1
45 32
46 48
47 64
48 80
49 48
50 48
51 16
52 12
53 2
54 1
55 112
56 160
57 240
58 320
59 200
60 240
61 80
62 80
63 15
64 10
65 1
66 64
67 112
68 160
69 240
70 160

List of values

[1, 2, 1, 3, 2, 1, 4, 3, 2, 1, 8, 8, 6, 4, 1, 8, 8, 8, 6, 2, 1, 20, 24, 24, 24, 9, 6, 1, 16, 20, 24, 24, 12, 9, 2, 1, 48, 64, 80, 96, 48, 48, 12, 8, 1, 32, 48, 64, 80, 48, 48, 16, 12, 2, 1, 112, 160, 240, 320, 200, 240, 80, 80, 15, 10, 1, 64, 112, 160, 240, 160]

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

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