A226616 - OEIS

A226616 as a simple table

n	a(n)
2	1
3	5
4	13
5	29
6	11
7	17
8	253
9	509
10	145
11	43
12	55
13	355
14	137
15	1129
16	1007
17	131069
18	97
19	643
20	41
21	553
22	281
23	8388605
24	4069
25	4793489
26	3817
27	1843
28	59
29	113
30	1301
31	2155
32	9397
33	289
34	131153
35	3247
36	949
37	127
38	77

[1,5,13,29,11,17,253,509,145,43,55,355,137,1129, 1007,131069,97,643,41,553,281,8388605,4069, 4793489,3817,1843,59,113,1301,2155,9397,289, 131153,3247,949,127,77]