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.

A367324 Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of edges in the resulting planar graph.

Table of values

n a(n)
3 3
4 21
5 8
6 132
7 92
8 20
9 429
10 596
11 290
12 42
13 1272
14 1936
15 2215
16 708
17 91
18 2826
19 6020
20 7405
21 4020
22 1575
23 136
24 5640
25 11088
26 21150
27 15120
28 10962
29 2632
30 288
31 10461
32 26260
33 43490
34 38544
35 35812
36 17728
37 5148
38 390
39 17094
40 42144
41 88230
42 83136
43 96257
44 60672
45 33291
46 7800
47 715

List of values

[3, 21, 8, 132, 92, 20, 429, 596, 290, 42, 1272, 1936, 2215, 708, 91, 2826, 6020, 7405, 4020, 1575, 136, 5640, 11088, 21150, 15120, 10962, 2632, 288, 10461, 26260, 43490, 38544, 35812, 17728, 5148, 390, 17094, 42144, 88230, 83136, 96257, 60672, 33291, 7800, 715]