A141884 - OEIS

A141884 as a simple table

n	a(n)
1	11
2	31
3	71
4	131
5	151
6	191
7	211
8	251
9	271
10	311
11	331
12	431
13	491
14	571
15	631
16	691
17	751
18	811
19	911
20	971
21	991
22	1031
23	1051
24	1091
25	1151
26	1171
27	1231
28	1291
29	1451
30	1471
31	1511
32	1531
33	1571
34	1811
35	1831
36	1871
37	1931
38	1951
39	2011
40	2111
41	2131
42	2251
43	2311
44	2351
45	2371
46	2411
47	2531
48	2551

[11,31,71,131,151,191,211,251,271,311,331,431,491, 571,631,691,751,811,911,971,991,1031,1051,1091, 1151,1171,1231,1291,1451,1471,1511,1531,1571,1811, 1831,1871,1931,1951,2011,2111,2131,2251,2311,2351, 2371,2411,2531,2551]