A139254 - OEIS

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A139254 as a simple table

n	a(n)
1	2
2	5
3	13
4	17
5	19
6	29
7	31
8	37
9	41
10	53
11	59
12	61
13	71
14	73
15	83
16	89
17	97
18	101
19	103
20	107
21	109
22	113
23	127
24	131
25	137
26	139
27	149
28	151
29	157
30	163
31	167
32	173
33	179
34	181
35	191

[2,5,13,17,19,29,31,37,41,53,59,61,71,73,83,89,97, 101,103,107,109,113,127,131,137,139,149,151,157, 163,167,173,179,181,191]