A175238 - OEIS

A175238 as a simple table

n	a(n)
1	5
2	7
3	17
4	23
5	53
6	67
7	367
8	373
9	383
10	467
11	487
12	647
13	773
14	823
15	1087
16	1103
17	1187
18	1327
19	1493
20	1607
21	1613
22	1697
23	1787
24	2593
25	2683
26	2753
27	2797
28	2803
29	2833
30	2903
31	3217
32	4373
33	4547
34	4937
35	5147
36	5527
37	5987
38	6067
39	6163
40	6367
41	6827
42	7103
43	7193
44	7297
45	8353
46	8627

[5,7,17,23,53,67,367,373,383,467,487,647,773,823, 1087,1103,1187,1327,1493,1607,1613,1697,1787,2593, 2683,2753,2797,2803,2833,2903,3217,4373,4547,4937, 5147,5527,5987,6067,6163,6367,6827,7103,7193,7297, 8353,8627]