A139941 - OEIS

A139941 as a simple table

n	a(n)
1	19
2	79
3	199
4	379
5	571
6	619
7	631
8	751
9	919
10	1171
11	1279
12	1399
13	1459
14	1471
15	1579
16	1699
17	1759
18	1831
19	1951
20	1999
21	2011
22	2131
23	2179
24	2251
25	2311
26	2551
27	2659
28	2719
29	2731
30	2851
31	3079
32	3271
33	3319
34	3331
35	3391
36	3511
37	3559
38	3631
39	3691
40	3931
41	4099
42	4111

[19,79,199,379,571,619,631,751,919,1171,1279,1399, 1459,1471,1579,1699,1759,1831,1951,1999,2011,2131, 2179,2251,2311,2551,2659,2719,2731,2851,3079,3271, 3319,3331,3391,3511,3559,3631,3691,3931,4099,4111]