A218354 - OEIS

A218354 as a simple table

n	a(n)
1	1
2	3
3	3
4	5
5	11
6	5
7	9
8	41
9	41
10	9
11	17
12	149
13	291
14	149
15	17
16	31
17	547
18	2069
19	2069
20	547
21	31
22	57
23	2007
24	14811
25	28661
26	14811
27	2007
28	57
29	105
30	7361
31	105913
32	401253
33	401253
34	105913
35	7361
36	105
37	193
38	27001
39	757305
40	5609569
41	10982565
42	5609569
43	757305
44	27001
45	193
46	355

[1,3,3,5,11,5,9,41,41,9,17,149,291,149,17,31,547, 2069,2069,547,31,57,2007,14811,28661,14811,2007, 57,105,7361,105913,401253,401253,105913,7361,105, 193,27001,757305,5609569,10982565,5609569,757305, 27001,193,355]