A367278 - cp's OEIS frontend

A367278 Place n equally spaced points on each side of a square, and join each of these points by a chord to the 3*n new points on the other three sides: sequence gives number of regions in the resulting planar graph.

n	a(n)
0	1
1	8
2	88
3	444
4	1544
5	3584
6	8356
7	14996
8	26572
9	42144
10	69988
11	93264
12	148364
13	196120
14	261536
15	347544
16	483056
17	572832
18	783252
19	907472
20	1141668
21	1413512
22	1775972
23	1958684
24	2466452
25	2897004
26	3384128
27	3852068
28	4733632
29	5042324
30	6263264
31	6869784
32	7878988
33	9014840
34	10035784
35	10909592
36	13109608

[1, 8, 88, 444, 1544, 3584, 8356, 14996, 26572, 42144, 69988, 93264, 148364, 196120, 261536, 347544, 483056, 572832, 783252, 907472, 1141668, 1413512, 1775972, 1958684, 2466452, 2897004, 3384128, 3852068, 4733632, 5042324, 6263264, 6869784, 7878988, 9014840, 10035784, 10909592, 13109608]

cp's OEIS Frontend

A367278 Place n equally spaced points on each side of a square, and join each of these points by a chord to the 3*n new points on the other three sides: sequence gives number of regions in the resulting planar graph.

Table of values

List of values