A111577 - OEIS

A111577 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	21
9	12
10	1
11	1
12	85
13	105
14	22
15	1
16	1
17	341
18	820
19	325
20	35
21	1
22	1
23	1365
24	6081
25	4070
26	780
27	51
28	1
29	1
30	5461
31	43932
32	46781
33	14210
34	1596
35	70
36	1
37	1
38	21845
39	312985
40	511742
41	231511
42	39746
43	2926
44	92
45	1
46	1
47	87381
48	2212740
49	5430405
50	3521385
51	867447
52	95340
53	4950
54	117
55	1

[1,1,1,1,5,1,1,21,12,1,1,85,105,22,1,1,341,820, 325,35,1,1,1365,6081,4070,780,51,1,1,5461,43932, 46781,14210,1596,70,1,1,21845,312985,511742, 231511,39746,2926,92,1,1,87381,2212740,5430405, 3521385,867447,95340,4950,117,1]