A051507 - OEIS

A051507 as a simple table

n	a(n)
1	3
2	5
3	7
4	13
5	19
6	67
7	149
8	179
9	229
10	239
11	241
12	269
13	277
14	307
15	313
16	397
17	401
18	419
19	439
20	487
21	569
22	613
23	643
24	701
25	823
26	863
27	887
28	1051
29	1289
30	1319
31	1489
32	1609
33	1693
34	1783
35	1873
36	1999
37	2143
38	2239
39	2309
40	2423
41	2539
42	2549
43	2593
44	2617
45	2729
46	2753
47	2819

[3,5,7,13,19,67,149,179,229,239,241,269,277,307, 313,397,401,419,439,487,569,613,643,701,823,863, 887,1051,1289,1319,1489,1609,1693,1783,1873,1999, 2143,2239,2309,2423,2539,2549,2593,2617,2729,2753, 2819]