A139844 - OEIS

A139844 as a simple table

n	a(n)
1	2
2	53
3	113
4	137
5	197
6	233
7	317
8	557
9	617
10	653
11	953
12	977
13	1373
14	1493
15	1733
16	1877
17	1913
18	1997
19	2153
20	2213
21	2237
22	2297
23	2333
24	2417
25	2633
26	2657
27	2753
28	2837
29	3137
30	3257
31	3413
32	3557
33	3593
34	3677
35	3833
36	3917
37	4013
38	4253
39	4337
40	4397
41	4517
42	4673

[2,53,113,137,197,233,317,557,617,653,953,977, 1373,1493,1733,1877,1913,1997,2153,2213,2237,2297, 2333,2417,2633,2657,2753,2837,3137,3257,3413,3557, 3593,3677,3833,3917,4013,4253,4337,4397,4517,4673]