A358783 - cp's OEIS frontend

A358783 The number of edges formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.

n	a(n)
2	2
3	12
4	16
5	120
6	138
7	532
8	432
9	1548
10	1450
11	3696
12	3120
13	7488
14	6874
15	13560
16	12000
17	23256
18	20970
19	36328
20	32400
21	54852
22	51194
23	79672
24	70752
25	113100
26	105274
27	154764
28	144480
29	206712
30	195810
31	272800
32	255808
33	352176
34	335002
35	446740
36	422784
37	560920
38	534698
39	695760
40	659440
41	850340
42	815682

[2, 12, 16, 120, 138, 532, 432, 1548, 1450, 3696, 3120, 7488, 6874, 13560, 12000, 23256, 20970, 36328, 32400, 54852, 51194, 79672, 70752, 113100, 105274, 154764, 144480, 206712, 195810, 272800, 255808, 352176, 335002, 446740, 422784, 560920, 534698, 695760, 659440, 850340, 815682]

cp's OEIS Frontend

A358783 The number of edges formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.

Table of values

List of values