A106639 - OEIS

A106639 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	19
8	23
9	29
10	37
11	43
12	59
13	61
14	67
15	83
16	157
17	173
18	227
19	277
20	283
21	317
22	347
23	563
24	653
25	733
26	787
27	877
28	907
29	997
30	1213
31	1237
32	1283
33	1307
34	1523
35	1867
36	2083
37	2693
38	2797
39	2803
40	3253
41	3413
42	3517
43	3643
44	3677
45	3733
46	3803
47	4253
48	4363
49	4547
50	4723
51	5387

[2,3,5,7,11,13,19,23,29,37,43,59,61,67,83,157,173, 227,277,283,317,347,563,653,733,787,877,907,997, 1213,1237,1283,1307,1523,1867,2083,2693,2797,2803, 3253,3413,3517,3643,3677,3733,3803,4253,4363,4547, 4723,5387]