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.

A351045 Irregular table read by rows: row n gives the number of edges with k facing edges for a regular n-gon with all diagonals drawn, with n>=3 and k>=2.

Table of values

n a(n)
3 3
4 4
5 0
6 4
7 5
8 0
9 10
10 0
11 5
12 6
13 0
14 18
15 12
16 6
17 7
18 0
19 28
20 14
21 21
22 14
23 7
24 8
25 0
26 56
27 48
28 24
29 9
30 0
31 54
32 54
33 72
34 72
35 18
36 0
37 9
38 10
39 0
40 80
41 160
42 120
43 20
44 11
45 0
46 88
47 154
48 198
49 198
50 55
51 0
52 0
53 0
54 11
55 12
56 0
57 240
58 336
59 168
60 13
61 0
62 130
63 260
64 507
65 390
66 91
67 104
68 0
69 0
70 0
71 0
72 13
73 14
74 0
75 266
76 616
77 644
78 140
79 42

List of values

[3, 4, 0, 4, 5, 0, 10, 0, 5, 6, 0, 18, 12, 6, 7, 0, 28, 14, 21, 14, 7, 8, 0, 56, 48, 24, 9, 0, 54, 54, 72, 72, 18, 0, 9, 10, 0, 80, 160, 120, 20, 11, 0, 88, 154, 198, 198, 55, 0, 0, 0, 11, 12, 0, 240, 336, 168, 13, 0, 130, 260, 507, 390, 91, 104, 0, 0, 0, 0, 13, 14, 0, 266, 616, 644, 140, 42]