A176421 - OEIS

A176421 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	11
8	11
9	1
10	1
11	37
12	125
13	37
14	1
15	1
16	117
17	1201
18	1201
19	117
20	1
21	1
22	359
23	10997
24	33861
25	10997
26	359
27	1
28	1
29	1087
30	99443
31	925737
32	925737
33	99443
34	1087
35	1
36	1
37	3273
38	896233
39	25095225
40	75913153
41	25095225
42	896233
43	3273
44	1
45	1
46	9833
47	8069585

[1,1,1,1,3,1,1,11,11,1,1,37,125,37,1,1,117,1201, 1201,117,1,1,359,10997,33861,10997,359,1,1,1087, 99443,925737,925737,99443,1087,1,1,3273,896233, 25095225,75913153,25095225,896233,3273,1,1,9833, 8069585]