A185418 - OEIS

A185418 as a simple table

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	1
6	11
7	11
8	5
9	1
10	57
11	57
12	27
13	7
14	1
15	361
16	361
17	175
18	51
19	9
20	1
21	2763
22	2763
23	1353
24	413
25	83
26	11
27	1
28	24611
29	24611
30	12125
31	3801
32	819
33	123
34	13
35	1
36	250737
37	250737
38	123987
39	39487
40	8857
41	1441
42	171
43	15
44	1
45	2873041
46	2873041
47	1424215
48	458331
49	105489
50	18057
51	2327
52	227
53	17
54	1

[1,1,1,3,3,1,11,11,5,1,57,57,27,7,1,361,361,175, 51,9,1,2763,2763,1353,413,83,11,1,24611,24611, 12125,3801,819,123,13,1,250737,250737,123987, 39487,8857,1441,171,15,1,2873041,2873041,1424215, 458331,105489,18057,2327,227,17,1]