A139920 - OEIS

A139920 as a simple table

n	a(n)
1	19
2	59
3	131
4	139
5	251
6	419
7	619
8	691
9	811
10	859
11	971
12	1091
13	1259
14	1291
15	1459
16	1531
17	1571
18	1699
19	1811
20	1931
21	1979
22	2099
23	2131
24	2371
25	2411
26	2539
27	2579
28	2659
29	2819
30	2939
31	2971
32	3251
33	3331
34	3491
35	3499
36	3659
37	3779
38	4051
39	4091
40	4219
41	4259
42	4339

[19,59,131,139,251,419,619,691,811,859,971,1091, 1259,1291,1459,1531,1571,1699,1811,1931,1979,2099, 2131,2371,2411,2539,2579,2659,2819,2939,2971,3251, 3331,3491,3499,3659,3779,4051,4091,4219,4259,4339]