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.

A123352 Triangle read by rows, giving Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 5
9 1
10 1
11 4
12 14
13 14
14 1
15 1
16 5
17 30
18 84
19 42
20 1
21 1
22 6
23 55
24 330
25 594
26 132
27 1
28 1
29 7
30 91
31 1001
32 4719
33 4719
34 429
35 1
36 1
37 8
38 140
39 2548
40 26026
41 81796
42 40898
43 1430
44 1
45 1
46 9
47 204
48 5712
49 111384
50 884884
51 1643356
52 379236
53 4862
54 1

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 5, 1, 1, 4, 14, 14, 1, 1, 5, 30, 84, 42, 1, 1, 6, 55, 330, 594, 132, 1, 1, 7, 91, 1001, 4719, 4719, 429, 1, 1, 8, 140, 2548, 26026, 81796, 40898, 1430, 1, 1, 9, 204, 5712, 111384, 884884, 1643356, 379236, 4862, 1]