A196856 - OEIS

A196856 as a simple table

n	a(n)
1	1
2	2
3	2
4	4
5	11
6	4
7	6
8	38
9	38
10	6
11	12
12	136
13	206
14	136
15	12
16	22
17	496
18	1370
19	1370
20	496
21	22
22	40
23	1792
24	8767
25	16876
26	8767
27	1792
28	40
29	74
30	6440
31	56470
32	199125
33	199125
34	56470
35	6440
36	74
37	136
38	23306
39	363685
40	2369631
41	4326720
42	2369631
43	363685
44	23306
45	136
46	250
47	84180

[1,2,2,4,11,4,6,38,38,6,12,136,206,136,12,22,496, 1370,1370,496,22,40,1792,8767,16876,8767,1792,40, 74,6440,56470,199125,199125,56470,6440,74,136, 23306,363685,2369631,4326720,2369631,363685,23306, 136,250,84180]