A220259 - OEIS

A220259 as a simple table

n	a(n)
1	1
2	2
3	2
4	4
5	10
6	4
7	7
8	35
9	35
10	7
11	12
12	132
13	243
14	132
15	12
16	21
17	497
18	1875
19	1875
20	497
21	21
22	37
23	1881
24	15150
25	31917
26	15150
27	1881
28	37
29	65
30	7102
31	115776
32	512622
33	512622
34	115776
35	7102
36	65
37	114
38	26812
39	903439
40	8112068
41	17112081
42	8112068
43	903439
44	26812
45	114
46	200

[1,2,2,4,10,4,7,35,35,7,12,132,243,132,12,21,497, 1875,1875,497,21,37,1881,15150,31917,15150,1881, 37,65,7102,115776,512622,512622,115776,7102,65, 114,26812,903439,8112068,17112081,8112068,903439, 26812,114,200]