A275515 - OEIS

A275515 as a simple table

n	a(n)
1	5
2	7
3	11
4	11
5	13
6	17
7	17
8	19
9	23
10	41
11	43
12	47
13	101
14	103
15	107
16	107
17	109
18	113
19	191
20	193
21	197
22	227
23	229
24	233
25	311
26	313
27	317
28	347
29	349
30	353
31	461
32	463
33	467
34	641
35	643
36	647
37	821
38	823
39	827
40	857
41	859
42	863
43	881
44	883
45	887
46	1091
47	1093
48	1097
49	1277
50	1279
51	1283
52	1301
53	1303
54	1307

[5,7,11,11,13,17,17,19,23,41,43,47,101,103,107, 107,109,113,191,193,197,227,229,233,311,313,317, 347,349,353,461,463,467,641,643,647,821,823,827, 857,859,863,881,883,887,1091,1093,1097,1277,1279, 1283,1301,1303,1307]