A262307 - OEIS

A262307 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	19
9	19
10	1
11	1
12	65
13	205
14	65
15	1
16	1
17	211
18	1795
19	1795
20	211
21	1
22	1
23	665
24	14221
25	36317
26	14221
27	665
28	1
29	1
30	2059
31	106819
32	636331
33	636331
34	106819
35	2059
36	1
37	1
38	6305
39	778765
40	10365005
41	23679901
42	10365005
43	778765
44	6305
45	1

[1,1,1,1,5,1,1,19,19,1,1,65,205,65,1,1,211,1795, 1795,211,1,1,665,14221,36317,14221,665,1,1,2059, 106819,636331,636331,106819,2059,1,1,6305,778765, 10365005,23679901,10365005,778765,6305,1]