A069681 - OEIS

A069681 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	163
27	167
28	263
29	269
30	367
31	461
32	463
33	467
34	563
35	569
36	661
37	761
38	769
39	863
40	967
41	1663
42	1667
43	1669
44	2663
45	4663
46	5669
47	6661
48	7669
49	8663
50	8669
51	9661
52	16661
53	26669
54	46663
55	56663

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59, 61,67,71,73,79,83,89,97,163,167,263,269,367,461, 463,467,563,569,661,761,769,863,967,1663,1667, 1669,2663,4663,5669,6661,7669,8663,8669,9661, 16661,26669,46663,56663]