A259772 - OEIS

A259772 as a simple table

n	a(n)
1	3
2	17
3	19
4	43
5	53
6	89
7	107
8	149
9	293
10	401
11	439
12	449
13	659
14	809
15	821
16	937
17	1009
18	1031
19	1091
20	1097
21	1123
22	1163
23	1181
24	1259
25	1277
26	1367
27	1427
28	1657
29	1721
30	1777
31	1789
32	1811
33	1987
34	2027
35	2063
36	2207
37	2333
38	2417
39	2503
40	2657
41	2713
42	3067
43	3079
44	3083
45	3251
46	3389
47	3491
48	3527

[3,17,19,43,53,89,107,149,293,401,439,449,659,809, 821,937,1009,1031,1091,1097,1123,1163,1181,1259, 1277,1367,1427,1657,1721,1777,1789,1811,1987,2027, 2063,2207,2333,2417,2503,2657,2713,3067,3079,3083, 3251,3389,3491,3527]