A162875 - OEIS

A162875 as a simple table

n	a(n)
1	3
2	5
3	11
4	13
5	59
6	61
7	179
8	181
9	227
10	229
11	347
12	349
13	419
14	421
15	659
16	661
17	827
18	829
19	1019
20	1021
21	1091
22	1093
23	1427
24	1429
25	1451
26	1453
27	1667
28	1669
29	1787
30	1789
31	1931
32	1933
33	2027
34	2029
35	2339
36	2341
37	3299
38	3301
39	3371
40	3373
41	3467
42	3469
43	3539
44	3541
45	3851
46	3853
47	4019

[3,5,11,13,59,61,179,181,227,229,347,349,419,421, 659,661,827,829,1019,1021,1091,1093,1427,1429, 1451,1453,1667,1669,1787,1789,1931,1933,2027,2029, 2339,2341,3299,3301,3371,3373,3467,3469,3539,3541, 3851,3853,4019]