A154233 - OEIS

A154233 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	7
5	1
6	1
7	19
8	19
9	1
10	1
11	39
12	171
13	39
14	1
15	1
16	69
17	761
18	761
19	69
20	1
21	1
22	111
23	2429
24	8533
25	2429
26	111
27	1
28	1
29	167
30	6335
31	52817
32	52817
33	6335
34	167
35	1
36	1
37	239
38	14383
39	231611
40	711477
41	231611
42	14383
43	239
44	1
45	1
46	329
47	29485
48	809809
49	5643801
50	5643801
51	809809
52	29485
53	329
54	1

[1,1,1,1,7,1,1,19,19,1,1,39,171,39,1,1,69,761,761, 69,1,1,111,2429,8533,2429,111,1,1,167,6335,52817, 52817,6335,167,1,1,239,14383,231611,711477,231611, 14383,239,1,1,329,29485,809809,5643801,5643801, 809809,29485,329,1]