A335874 - OEIS

A335874 as a simple table

n	a(n)
1	2
2	5
3	11
4	13
5	23
6	47
7	61
8	191
9	223
10	383
11	991
12	3583
13	3967
14	6143
15	16381
16	63487
17	253951
18	262111
19	786431
20	917503
21	1048447
22	1048573
23	4194271
24	14680063
25	16777183
26	67108351
27	260046847
28	3758096383
29	4261412863
30	51539607551
31	68718952447
32	266287972351
33	824633720831
34	1065151889407
35	1099503239167

[2,5,11,13,23,47,61,191,223,383,991,3583,3967, 6143,16381,63487,253951,262111,786431,917503, 1048447,1048573,4194271,14680063,16777183, 67108351,260046847,3758096383,4261412863, 51539607551,68718952447,266287972351,824633720831, 1065151889407,1099503239167]