A054643 - OEIS

A054643 as a simple table

n	a(n)
1	3
2	47
3	151
4	167
5	199
6	251
7	257
8	367
9	503
10	523
11	557
12	587
13	601
14	647
15	727
16	941
17	971
18	991
19	1063
20	1097
21	1117
22	1181
23	1217
24	1231
25	1361
26	1453
27	1493
28	1499
29	1531
30	1741
31	1747
32	1753
33	1759
34	1889
35	1901
36	1907
37	2063
38	2161
39	2281
40	2393
41	2399
42	2411
43	2441
44	2671
45	2897
46	2957

[3,47,151,167,199,251,257,367,503,523,557,587,601, 647,727,941,971,991,1063,1097,1117,1181,1217,1231, 1361,1453,1493,1499,1531,1741,1747,1753,1759,1889, 1901,1907,2063,2161,2281,2393,2399,2411,2441,2671, 2897,2957]