A215380 - OEIS

A215380 as a simple table

n	a(n)
1	2
2	3
3	17
4	19
5	37
6	53
7	71
8	103
9	137
10	139
11	173
12	223
13	239
14	241
15	257
16	307
17	359
18	409
19	443
20	461
21	479
22	547
23	563
24	613
25	631
26	647
27	683
28	733
29	751
30	853
31	887
32	919
33	937
34	953
35	971
36	1021
37	1039
38	1091
39	1123
40	1193
41	1259
42	1277
43	1327
44	1361
45	1429
46	1447
47	1481
48	1499
49	1531
50	1549

[2,3,17,19,37,53,71,103,137,139,173,223,239,241, 257,307,359,409,443,461,479,547,563,613,631,647, 683,733,751,853,887,919,937,953,971,1021,1039, 1091,1123,1193,1259,1277,1327,1361,1429,1447,1481, 1499,1531,1549]