A367121 - cp's OEIS frontend

A367121 Place n points in general position on each side of a square, and join every pair of the 4*n+4 boundary points by a chord; sequence gives number of regions in the resulting planar graph.

n	a(n)
0	4
1	67
2	406
3	1441
4	3796
5	8299
6	15982
7	28081
8	46036
9	71491
10	106294
11	152497
12	212356
13	288331
14	383086
15	499489
16	640612
17	809731
18	1010326
19	1246081
20	1520884
21	1838827
22	2204206
23	2621521
24	3095476
25	3630979
26	4233142
27	4907281
28	5658916
29	6493771
30	7417774
31	8437057
32	9557956
33	10787011
34	12130966

[4, 67, 406, 1441, 3796, 8299, 15982, 28081, 46036, 71491, 106294, 152497, 212356, 288331, 383086, 499489, 640612, 809731, 1010326, 1246081, 1520884, 1838827, 2204206, 2621521, 3095476, 3630979, 4233142, 4907281, 5658916, 6493771, 7417774, 8437057, 9557956, 10787011, 12130966]

cp's OEIS Frontend

A367121 Place n points in general position on each side of a square, and join every pair of the 4*n+4 boundary points by a chord; sequence gives number of regions in the resulting planar graph.

Table of values

List of values