A153768 - OEIS

A153768 as a simple table

n	a(n)
1	11
2	29
3	31
4	109
5	199
6	251
7	269
8	379
9	419
10	521
11	599
12	601
13	661
14	881
15	991
16	1091
17	1231
18	1289
19	1789
20	1831
21	1861
22	1901
23	1949
24	2239
25	2689
26	2969
27	3181
28	3251
29	3301
30	3359
31	3499
32	3779
33	3821
34	4099
35	4201
36	4339
37	4561
38	4651
39	4679
40	4789
41	4871
42	5281
43	5471
44	5641
45	5659

[11,29,31,109,199,251,269,379,419,521,599,601,661, 881,991,1091,1231,1289,1789,1831,1861,1901,1949, 2239,2689,2969,3181,3251,3301,3359,3499,3779,3821, 4099,4201,4339,4561,4651,4679,4789,4871,5281,5471, 5641,5659]