A090756 - OEIS

A090756 as a simple table

n	a(n)
1	11
2	31
3	41
4	51
5	61
6	71
7	101
8	131
9	141
10	151
11	181
12	191
13	211
14	241
15	251
16	271
17	281
18	311
19	321
20	331
21	401
22	411
23	421
24	431
25	461
26	491
27	521
28	541
29	571
30	601
31	631
32	641
33	661
34	691
35	701
36	751
37	761
38	811
39	821
40	881
41	911
42	941
43	951
44	971
45	991
46	1021
47	1031
48	1051
49	1061
50	1091
51	1151
52	1171

[11,31,41,51,61,71,101,131,141,151,181,191,211, 241,251,271,281,311,321,331,401,411,421,431,461, 491,521,541,571,601,631,641,661,691,701,751,761, 811,821,881,911,941,951,971,991,1021,1031,1051, 1061,1091,1151,1171]