A359253 - cp's OEIS frontend

A359253 Number of regions among all distinct circles that can be constructed from n equally spaced points along a line using only a compass.

n	a(n)
2	3
3	14
4	51
5	116
6	255
7	466
8	821
9	1296
10	2003
11	2904
12	4171
13	5726
14	7795
15	10266
16	13399
17	17026
18	21537
19	26702
20	32995
21	40110
22	48511
23	57996
24	69121
25	81376
26	95511
27	111130
28	128953
29	148432
30	170595

[3, 14, 51, 116, 255, 466, 821, 1296, 2003, 2904, 4171, 5726, 7795, 10266, 13399, 17026, 21537, 26702, 32995, 40110, 48511, 57996, 69121, 81376, 95511, 111130, 128953, 148432, 170595]

cp's OEIS Frontend

A359253 Number of regions among all distinct circles that can be constructed from n equally spaced points along a line using only a compass.

Table of values

List of values