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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.

A300437 Triangle T(nu,m) read by rows: The number of N-color odd self-inverse compositions of (2*nu+1) into (2*m+1) parts.

Table of values

n a(n)
0 1
1 3
2 1
3 5
4 3
5 1
6 7
7 8
8 3
9 1
10 9
11 16
12 11
13 3
14 1
15 11
16 29
17 25
18 14
19 3
20 1
21 13
22 47
23 58
24 34
25 17
26 3
27 1
28 15
29 72
30 110
31 96
32 43
33 20
34 3
35 1
36 17
37 104
38 206
39 200
40 143
41 52
42 23
43 3
44 1
45 19
46 145
47 346
48 442
49 317
50 199
51 61
52 26
53 3
54 1
55 21
56 195
57 571
58 822
59 807
60 461
61 264
62 70
63 29
64 3
65 1
66 23
67 256
68 881
69 1565
70 1613
71 1328
72 632
73 338
74 79
75 32
76 3
77 1

List of values

[1, 3, 1, 5, 3, 1, 7, 8, 3, 1, 9, 16, 11, 3, 1, 11, 29, 25, 14, 3, 1, 13, 47, 58, 34, 17, 3, 1, 15, 72, 110, 96, 43, 20, 3, 1, 17, 104, 206, 200, 143, 52, 23, 3, 1, 19, 145, 346, 442, 317, 199, 61, 26, 3, 1, 21, 195, 571, 822, 807, 461, 264, 70, 29, 3, 1, 23, 256, 881, 1565, 1613, 1328, 632, 338, 79, 32, 3, 1]