A184129 - OEIS

A184129 as a simple table

n	a(n)
1	4
2	10
3	10
4	20
5	86
6	20
7	35
8	561
9	561
10	35
11	56
12	2861
13	14178
14	2861
15	56
16	84
17	12068
18	276427
19	276427
20	12068
21	84
22	120
23	43947
24	4249486
25	21907055
26	4249486
27	43947
28	120
29	165
30	142376
31	53817407
32	1361812470
33	1361812470
34	53817407
35	142376
36	165
37	220
38	419213
39	581588614

[4,10,10,20,86,20,35,561,561,35,56,2861,14178, 2861,56,84,12068,276427,276427,12068,84,120,43947, 4249486,21907055,4249486,43947,120,165,142376, 53817407,1361812470,1361812470,53817407,142376, 165,220,419213,581588614]