A057876 - OEIS

A057876 as a simple table

n	a(n)
1	23
2	37
3	53
4	73
5	113
6	131
7	137
8	151
9	173
10	179
11	197
12	211
13	311
14	317
15	431
16	617
17	719
18	1531
19	1831
20	1997
21	2113
22	2131
23	2237
24	2273
25	2297
26	2311
27	2797
28	3137
29	3371
30	4337
31	4373
32	4733
33	4919
34	6173
35	7297
36	7331
37	7573
38	7873
39	8191
40	8311
41	8831
42	8837
43	12239
44	16673
45	19531

[23,37,53,73,113,131,137,151,173,179,197,211,311, 317,431,617,719,1531,1831,1997,2113,2131,2237, 2273,2297,2311,2797,3137,3371,4337,4373,4733,4919, 6173,7297,7331,7573,7873,8191,8311,8831,8837, 12239,16673,19531]