A174260 - OEIS

A174260 as a simple table

n	a(n)
1	23
2	29
3	53
4	101
5	113
6	239
7	281
8	311
9	347
10	353
11	389
12	401
13	431
14	617
15	641
16	647
17	743
18	797
19	821
20	827
21	863
22	911
23	941
24	1049
25	1283
26	1319
27	1373
28	1439
29	1481
30	1487
31	1493
32	1511
33	1583
34	1613
35	1667
36	1709
37	1721
38	1733
39	1823
40	1949

[23,29,53,101,113,239,281,311,347,353,389,401,431, 617,641,647,743,797,821,827,863,911,941,1049,1283, 1319,1373,1439,1481,1487,1493,1511,1583,1613,1667, 1709,1721,1733,1823,1949]