A139929 - OEIS

A139929 as a simple table

n	a(n)
1	3
2	113
3	137
4	257
5	353
6	443
7	467
8	587
9	617
10	683
11	947
12	977
13	1193
14	1307
15	1433
16	1523
17	1697
18	1787
19	1907
20	2003
21	2027
22	2267
23	2297
24	2633
25	2753
26	2777
27	2843
28	2897
29	2963
30	3083
31	3257
32	3323
33	3347
34	3617
35	3833
36	3947
37	4073
38	4217
39	4283
40	4337
41	4547
42	4643

[3,113,137,257,353,443,467,587,617,683,947,977, 1193,1307,1433,1523,1697,1787,1907,2003,2027,2267, 2297,2633,2753,2777,2843,2897,2963,3083,3257,3323, 3347,3617,3833,3947,4073,4217,4283,4337,4547,4643]