A293663 - OEIS

A293663 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	13
6	17
7	31
8	37
9	71
10	73
11	79
12	97
13	113
14	131
15	197
16	199
17	311
18	337
19	373
20	719
21	733
22	919
23	971
24	991
25	1193
26	1931
27	3119
28	3779
29	7793
30	7937
31	9311
32	9377
33	11939
34	19391
35	19937
36	37199
37	39119
38	71993
39	91193
40	93719
41	93911
42	99371
43	193939
44	199933
45	319993
46	331999
47	391939

[2,3,5,7,13,17,31,37,71,73,79,97,113,131,197,199, 311,337,373,719,733,919,971,991,1193,1931,3119, 3779,7793,7937,9311,9377,11939,19391,19937,37199, 39119,71993,91193,93719,93911,99371,193939,199933, 319993,331999,391939]