A241120 - OEIS

A241120 as a simple table

n	a(n)
1	13
2	19
3	31
4	193
5	211
6	223
7	229
8	271
9	331
10	571
11	619
12	691
13	739
14	751
15	853
16	991
17	1009
18	1039
19	1051
20	1231
21	1303
22	1321
23	1549
24	1741
25	1789
26	1831
27	1993
28	1999
29	2029
30	2089
31	2113
32	2143
33	2203
34	2311
35	2521
36	2551
37	2683
38	2749
39	2851
40	3121
41	3259
42	3331
43	3571
44	3631
45	3823
46	3853
47	4093

[13,19,31,193,211,223,229,271,331,571,619,691,739, 751,853,991,1009,1039,1051,1231,1303,1321,1549, 1741,1789,1831,1993,1999,2029,2089,2113,2143,2203, 2311,2521,2551,2683,2749,2851,3121,3259,3331,3571, 3631,3823,3853,4093]