A373110 - cp's OEIS frontend

A373110 Number of distinct circles that can be constructed from the 4 vertices and the equally spaced 4n points placed on the sides of a square when every pair of the 4 + 4n points are connected by a circle and where the points lie at the ends of the circle's diameter.

n	a(n)
0	5
1	22
2	54
3	99
4	159
5	232
6	320
7	421
8	537
9	666
10	810
11	967
12	1139
13	1324
14	1524
15	1737
16	1965
17	2206
18	2462
19	2731
20	3015
21	3312
22	3624
23	3949

[5, 22, 54, 99, 159, 232, 320, 421, 537, 666, 810, 967, 1139, 1324, 1524, 1737, 1965, 2206, 2462, 2731, 3015, 3312, 3624, 3949]