A396489 - OEIS

A396489 as a simple table

n	a(n)
1	1
2	3
3	5
4	7
5	17
6	13
7	256
8	31
9	37
10	113
11	4096
12	61
13	16384
14	193
15	323
16	211
17	65537
18	181
19	1048576
20	241
21	577
22	13313
23	16777216
24	421
25	1297
26	12289
27	1919
28	2113
29	1073741824
30	1009
31	4294967296
32	1321
33	25601
34	458759
35	24803
36	1801
37	274877906944
38	786433
39	233491
40	2161
41	4398046511104
42	4801

[1,3,5,7,17,13,256,31,37,113,4096,61,16384,193, 323,211,65537,181,1048576,241,577,13313,16777216, 421,1297,12289,1919,2113,1073741824,1009, 4294967296,1321,25601,458759,24803,1801, 274877906944,786433,233491,2161,4398046511104, 4801]