A278696 - OEIS

A278696 as a simple table

n	a(n)
1	2
2	5
3	11
4	23
5	29
6	59
7	83
8	167
9	173
10	191
11	491
12	509
13	569
14	653
15	659
16	677
17	1481
18	1487
19	1949
20	2027
21	2111
22	4397
23	4457
24	4547
25	4943
26	5051
27	5861
28	6323
29	6563
30	13127
31	13151
32	13313
33	13613
34	13691
35	13781
36	13799
37	15149
38	15233
39	17519
40	17579
41	17669
42	39371
43	39857
44	40847
45	40853
46	43913
47	44417
48	52517
49	53147
50	59051

[2,5,11,23,29,59,83,167,173,191,491,509,569,653, 659,677,1481,1487,1949,2027,2111,4397,4457,4547, 4943,5051,5861,6323,6563,13127,13151,13313,13613, 13691,13781,13799,15149,15233,17519,17579,17669, 39371,39857,40847,40853,43913,44417,52517,53147, 59051]