A215392 - OEIS

A215392 as a simple table

n	a(n)
1	2
2	19
3	53
4	103
5	137
6	223
7	239
8	257
9	307
10	359
11	409
12	443
13	461
14	563
15	613
16	631
17	647
18	733
19	919
20	937
21	953
22	971
23	1021
24	1039
25	1123
26	1259
27	1277
28	1327
29	1361
30	1429
31	1447
32	1481
33	1531
34	1549
35	1583
36	1667
37	1753
38	1787
39	1871
40	1889
41	1973
42	2143
43	2161
44	2297
45	2347
46	2381
47	2399
48	2467

[2,19,53,103,137,223,239,257,307,359,409,443,461, 563,613,631,647,733,919,937,953,971,1021,1039, 1123,1259,1277,1327,1361,1429,1447,1481,1531,1549, 1583,1667,1753,1787,1871,1889,1973,2143,2161,2297, 2347,2381,2399,2467]