A173971 - OEIS

A173971 as a simple table

n	a(n)
1	2
2	3
3	5
4	13
5	17
6	19
7	29
8	59
9	79
10	103
11	109
12	113
13	149
14	197
15	223
16	227
17	229
18	239
19	241
20	269
21	283
22	337
23	349
24	409
25	419
26	439
27	491
28	569
29	577
30	643
31	659
32	691
33	701
34	709
35	739
36	743
37	769
38	773
39	787
40	823
41	839
42	911
43	919
44	983
45	1051
46	1153
47	1213
48	1277
49	1373
50	1409
51	1423
52	1427

[2,3,5,13,17,19,29,59,79,103,109,113,149,197,223, 227,229,239,241,269,283,337,349,409,419,439,491, 569,577,643,659,691,701,709,739,743,769,773,787, 823,839,911,919,983,1051,1153,1213,1277,1373,1409, 1423,1427]