A279954 - OEIS

A279954 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	43
6	89
7	263
8	283
9	347
10	373
11	379
12	463
13	653
14	733
15	739
16	2063
17	2083
18	2131
19	2137
20	2179
21	2203
22	2243
23	2267
24	2269
25	2293
26	2333
27	2423
28	2437
29	2467
30	2473
31	2753
32	2777
33	2803
34	2843
35	2939
36	2953
37	3167
38	3257
39	3457
40	3527
41	3943
42	3947
43	4133
44	4153
45	4157
46	4159
47	4229
48	4241
49	4243
50	4261
51	4289
52	4339
53	4349
54	4373
55	4397

[2,3,5,7,43,89,263,283,347,373,379,463,653,733, 739,2063,2083,2131,2137,2179,2203,2243,2267,2269, 2293,2333,2423,2437,2467,2473,2753,2777,2803,2843, 2939,2953,3167,3257,3457,3527,3943,3947,4133,4153, 4157,4159,4229,4241,4243,4261,4289,4339,4349,4373, 4397]