A156313 - OEIS

A156313 as a simple table

n	a(n)
1	2
2	3
3	7
4	31
5	67
6	79
7	97
8	109
9	151
10	199
11	211
12	241
13	331
14	379
15	409
16	457
17	499
18	619
19	631
20	751
21	757
22	769
23	877
24	991
25	1039
26	1087
27	1117
28	1201
29	1231
30	1291
31	1381
32	1429
33	1471
34	1609
35	1621
36	1777
37	1861
38	1999
39	2131
40	2179
41	2269
42	2281
43	2311
44	2341
45	2389
46	2551
47	2659
48	2719
49	2797

[2,3,7,31,67,79,97,109,151,199,211,241,331,379, 409,457,499,619,631,751,757,769,877,991,1039,1087, 1117,1201,1231,1291,1381,1429,1471,1609,1621,1777, 1861,1999,2131,2179,2269,2281,2311,2341,2389,2551, 2659,2719,2797]