A090920 - OEIS

A090920 as a simple table

n	a(n)
1	11
2	23
3	31
4	41
5	521
6	61
7	71
8	89
9	919
10	101
11	1123
12	1213
13	131
14	1429
15	151
16	1697
17	17137
18	181
19	191
20	2081
21	211
22	2267
23	2347
24	241
25	251
26	26183
27	271
28	281
29	29581
30	3061
31	311
32	32257
33	331
34	3469
35	3571
36	3637
37	37223
38	3877
39	39157
40	401
41	41411
42	421
43	431
44	44221
45	4591
46	461
47	47189

[11,23,31,41,521,61,71,89,919,101,1123,1213,131, 1429,151,1697,17137,181,191,2081,211,2267,2347, 241,251,26183,271,281,29581,3061,311,32257,331, 3469,3571,3637,37223,3877,39157,401,41411,421,431, 44221,4591,461,47189]