A217561 - OEIS

A217561 as a simple table

n	a(n)
1	7
2	37
3	53
4	89
5	113
6	127
7	211
8	293
9	307
10	449
11	541
12	577
13	587
14	593
15	683
16	691
17	719
18	797
19	839
20	929
21	937
22	1259
23	1297
24	1399
25	1471
26	1499
27	1567
28	1709
29	1777
30	1801
31	1811
32	1847
33	1973
34	1979
35	2039
36	2221
37	2467
38	2503
39	2579
40	2633
41	2647
42	2819
43	2939
44	3037
45	3061
46	3109
47	3187
48	3271

[7,37,53,89,113,127,211,293,307,449,541,577,587, 593,683,691,719,797,839,929,937,1259,1297,1399, 1471,1499,1567,1709,1777,1801,1811,1847,1973,1979, 2039,2221,2467,2503,2579,2633,2647,2819,2939,3037, 3061,3109,3187,3271]