A075889 - OEIS

A075889 as a simple table

n	a(n)
1	3
2	2
3	5
4	3
5	7
6	13
7	5
8	17
9	13
10	7
11	23
12	43
13	17
14	37
15	43
16	67
17	23
18	127
19	137
20	47
21	103
22	167
23	127
24	193
25	223
26	163
27	167
28	283
29	103
30	107
31	257
32	137
33	293
34	313
35	487
36	337
37	563
38	613
39	617
40	643
41	647
42	433
43	773
44	523
45	283
46	313
47	1033
48	347
49	373
50	757
51	1187
52	397
53	1193
54	797
55	1277
56	443

[3,2,5,3,7,13,5,17,13,7,23,43,17,37,43,67,23,127, 137,47,103,167,127,193,223,163,167,283,103,107, 257,137,293,313,487,337,563,613,617,643,647,433, 773,523,283,313,1033,347,373,757,1187,397,1193, 797,1277,443]