A261311 - OEIS

A261311 as a simple table

n	a(n)
1	19
2	23
3	31
4	43
5	59
6	79
7	103
8	163
9	179
10	199
11	227
12	239
13	251
14	283
15	331
16	347
17	383
18	431
19	439
20	463
21	467
22	479
23	487
24	499
25	523
26	547
27	587
28	607
29	631
30	647
31	683
32	727
33	827
34	883
35	907
36	911
37	919
38	967
39	991
40	1019
41	1031
42	1051
43	1087
44	1123
45	1171
46	1303
47	1327
48	1423
49	1499
50	1511
51	1523
52	1531
53	1567
54	1571
55	1667

[19,23,31,43,59,79,103,163,179,199,227,239,251, 283,331,347,383,431,439,463,467,479,487,499,523, 547,587,607,631,647,683,727,827,883,907,911,919, 967,991,1019,1031,1051,1087,1123,1171,1303,1327, 1423,1499,1511,1523,1531,1567,1571,1667]