A075521 - OEIS

A075521 as a simple table

n	a(n)
1	7
2	11
3	13
4	19
5	31
6	37
7	47
8	59
9	67
10	73
11	97
12	107
13	151
14	179
15	193
16	227
17	271
18	277
19	307
20	331
21	359
22	367
23	373
24	409
25	433
26	439
27	467
28	487
29	499
30	571
31	577
32	587
33	599
34	647
35	673
36	691
37	709
38	719
39	839
40	853
41	907
42	991
43	997
44	1019
45	1031
46	1033
47	1039
48	1093
49	1129
50	1187
51	1259
52	1279

[7,11,13,19,31,37,47,59,67,73,97,107,151,179,193, 227,271,277,307,331,359,367,373,409,433,439,467, 487,499,571,577,587,599,647,673,691,709,719,839, 853,907,991,997,1019,1031,1033,1039,1093,1129, 1187,1259,1279]