A089531 - OEIS

A089531 as a simple table

n	a(n)
1	7
2	13
3	17
4	29
5	37
6	41
7	61
8	89
9	97
10	109
11	137
12	149
13	181
14	197
15	229
16	257
17	277
18	281
19	317
20	337
21	349
22	389
23	397
24	401
25	449
26	457
27	461
28	541
29	557
30	569
31	617
32	677
33	701
34	709
35	761
36	769
37	797
38	821
39	881
40	929
41	937
42	977
43	1009
44	1021
45	1049
46	1097
47	1117
48	1129
49	1201
50	1217
51	1229
52	1237

[7,13,17,29,37,41,61,89,97,109,137,149,181,197, 229,257,277,281,317,337,349,389,397,401,449,457, 461,541,557,569,617,677,701,709,761,769,797,821, 881,929,937,977,1009,1021,1049,1097,1117,1129, 1201,1217,1229,1237]