A253549 - OEIS

A253549 as a simple table

n	a(n)
1	2
2	17
3	257
4	19
5	19
6	19
7	65537
8	37
9	65809
10	53
11	307
12	257
13	53
14	547
15	563
16	293
17	101
18	277
19	4099
20	577
21	4129
22	8737
23	787
24	137
25	577
26	257
27	593
28	4643
29	4657
30	773
31	577
32	821
33	311
34	313
35	268501249
36	74017
37	74257
38	8707
39	359
40	8753
41	8963
42	613
43	9011
44	12289
45	285212929
46	577
47	135697

[2,17,257,19,19,19,65537,37,65809,53,307,257,53, 547,563,293,101,277,4099,577,4129,8737,787,137, 577,257,593,4643,4657,773,577,821,311,313, 268501249,74017,74257,8707,359,8753,8963,613,9011, 12289,285212929,577,135697]

[2,17,257,19,19,19,65537,37,65809,53,307,257,53,
 547,563,293,101,277,4099,577,4129,8737,787,137,
 577,257,593,4643,4657,773,577,821,311,313,
 268501249,74017,74257,8707,359,8753,8963,613,9011,
 12289,285212929,577,135697]