A209610 - OEIS

A209610 as a simple table

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	1
7	2
8	11
9	11
10	2
11	2
12	45
13	125
14	45
15	2
16	4
17	170
18	955
19	955
20	170
21	4
22	6
23	538
24	6218
25	11879
26	6218
27	538
28	6
29	9
30	1674
31	39667
32	151736
33	151736
34	39667
35	1674
36	9
37	13
38	5410
39	260861
40	1947347
41	3833954
42	1947347
43	260861
44	5410
45	13
46	19
47	18001
48	1735169
49	24912066

[0,1,1,1,2,1,2,11,11,2,2,45,125,45,2,4,170,955, 955,170,4,6,538,6218,11879,6218,538,6,9,1674, 39667,151736,151736,39667,1674,9,13,5410,260861, 1947347,3833954,1947347,260861,5410,13,19,18001, 1735169,24912066]