A381194 - cp's OEIS frontend

A381194 Number of equal-length matchings of 2n uniformly spaced points on a circle.

n	a(n)
1	1
2	3
3	3
4	9
5	5
6	17
7	7
8	33
9	15
10	49
11	11
12	113
13	13
14	153
15	57
16	321
17	17
18	617
19	19
20	1153
21	165
22	2089
23	23
24	4577
25	85
26	8241
27	555
28	16737
29	29
30	34049
31	31
32	66177
33	2109
34	131137
35	377
36	267521
37	37
38	524361
39	8265
40	1051393
41	41
42	2114081
43	43
44	4198561
45	33945
46	8388697
47	47
48	16851905
49	427
50	33556689

[1, 3, 3, 9, 5, 17, 7, 33, 15, 49, 11, 113, 13, 153, 57, 321, 17, 617, 19, 1153, 165, 2089, 23, 4577, 85, 8241, 555, 16737, 29, 34049, 31, 66177, 2109, 131137, 377, 267521, 37, 524361, 8265, 1051393, 41, 2114081, 43, 4198561, 33945, 8388697, 47, 16851905, 427, 33556689]

cp's OEIS Frontend

A381194 Number of equal-length matchings of 2n uniformly spaced points on a circle.

Table of values

List of values