A366253 - cp's OEIS frontend

A366253 Table read by antidiagonals: Place k points in general position 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 number of regions in the resulting planar graph.

n	a(n)
3	1
4	13
5	4
6	82
7	67
8	11
9	307
10	406
11	206
12	24
13	841
14	1441
15	1216
16	489
17	50
18	1891
19	3796
20	4211
21	2835
22	995
23	80
24	3718
25	8299
26	10901
27	9672
28	5671
29	1802
30	154
31	6637
32	15982
33	23536
34	24780
35	19139
36	10196
37	3052
38	220
39	11017
40	28081
41	44906
42	53109
43	48686
44	34166
45	17011
46	4810
47	375

[1, 13, 4, 82, 67, 11, 307, 406, 206, 24, 841, 1441, 1216, 489, 50, 1891, 3796, 4211, 2835, 995, 80, 3718, 8299, 10901, 9672, 5671, 1802, 154, 6637, 15982, 23536, 24780, 19139, 10196, 3052, 220, 11017, 28081, 44906, 53109, 48686, 34166, 17011, 4810, 375]

cp's OEIS Frontend

A366253 Table read by antidiagonals: Place k points in general position 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 number of regions in the resulting planar graph.

Table of values

List of values