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.

A239893 Irregular triangle read by rows: T(n,k) is the number of sensed 3-connected planar maps with n >= 4 faces and k >= 4 vertices.

Table of values

n a(n)
4 1
5 0
6 1
7 1
8 0
9 1
10 3
11 2
12 2
13 0
14 0
15 2
16 11
17 16
18 10
19 6
20 0
21 0
22 2
23 16
24 69
25 127
26 128
27 60
28 17
29 0
30 0
31 0
32 10
33 127
34 541
35 1188
36 1441
37 1032
38 386
39 73
40 0
41 0
42 0
43 6
44 128
45 1188
46 5096
47 11982
48 17265
49 15466
50 8582
51 2652
52 389
53 0
54 0
55 0
56 0
57 60
58 1441
59 11982
60 50586
61 127765
62 206880
63 222472
64 158057
65 71980
66 18914
67 2274

List of values

[1, 0, 1, 1, 0, 1, 3, 2, 2, 0, 0, 2, 11, 16, 10, 6, 0, 0, 2, 16, 69, 127, 128, 60, 17, 0, 0, 0, 10, 127, 541, 1188, 1441, 1032, 386, 73, 0, 0, 0, 6, 128, 1188, 5096, 11982, 17265, 15466, 8582, 2652, 389, 0, 0, 0, 0, 60, 1441, 11982, 50586, 127765, 206880, 222472, 158057, 71980, 18914, 2274]