A242541 - OEIS

A242541 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	101
27	131
28	151
29	181
30	191
31	313
32	353
33	373
34	383
35	727
36	757
37	787
38	797
39	919
40	929
41	18181
42	32323
43	35353
44	72727
45	74747
46	78787
47	94949
48	95959
49	1212121
50	1616161
51	323232323

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59, 61,67,71,73,79,83,89,97,101,131,151,181,191,313, 353,373,383,727,757,787,797,919,929,18181,32323, 35353,72727,74747,78787,94949,95959,1212121, 1616161,323232323]