A258126 - OEIS

A258126 as a simple table

n	a(n)
1	2
2	3
3	7
4	5
5	31
6	7
7	29
8	37
9	0
10	11
11	67
12	13
13	1093
14	1471
15	9949
16	17
17	131071
18	19
19	191
20	211
21	7547
22	23
23	277
24	190051
25	1807781
26	61450327
27	379
28	29
29	0
30	31
31	36457
32	1149017
33	0
34	0
35	631
36	37
37	0
38	0
39	0
40	41
41	0
42	43
43	947
44	991
45	0
46	47
47	1129
48	8682997471
49	0
50	1125899906842573
51	1327
52	53

[2,3,7,5,31,7,29,37,0,11,67,13,1093,1471,9949,17, 131071,19,191,211,7547,23,277,190051,1807781, 61450327,379,29,0,31,36457,1149017,0,0,631,37,0,0, 0,41,0,43,947,991,0,47,1129,8682997471,0, 1125899906842573,1327,53]