A281093 - OEIS

A281093 as a simple table

n	a(n)
1	3
2	7
3	37
4	43
5	47
6	73
7	79
8	97
9	337
10	347
11	349
12	373
13	379
14	397
15	433
16	439
17	443
18	449
19	479
20	499
21	733
22	739
23	743
24	773
25	797
26	937
27	947
28	977
29	997
30	3343
31	3347
32	3373
33	3433
34	3449
35	3499
36	3733
37	3739
38	3779
39	3793
40	3797
41	3943
42	3947
43	4337
44	4339
45	4349
46	4373
47	4397
48	4447
49	4493
50	4733

[3,7,37,43,47,73,79,97,337,347,349,373,379,397, 433,439,443,449,479,499,733,739,743,773,797,937, 947,977,997,3343,3347,3373,3433,3449,3499,3733, 3739,3779,3793,3797,3943,3947,4337,4339,4349,4373, 4397,4447,4493,4733]