A069677 - OEIS

A069677 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	31
12	37
13	41
14	43
15	47
16	53
17	59
18	61
19	67
20	71
21	73
22	79
23	83
24	89
25	97
26	127
27	223
28	227
29	229
30	421
31	521
32	523
33	727
34	821
35	823
36	827
37	829
38	929
39	1223
40	1229
41	2221
42	3221
43	3229
44	4229
45	5227
46	6221
47	6229
48	7229
49	8221
50	9221
51	9227
52	12227
53	22229
54	42221

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59, 61,67,71,73,79,83,89,97,127,223,227,229,421,521, 523,727,821,823,827,829,929,1223,1229,2221,3221, 3229,4229,5227,6221,6229,7229,8221,9221,9227, 12227,22229,42221]