A138655 - OEIS

A138655 as a simple table

n	a(n)
1	2
2	3
3	5
4	23
5	107
6	137
7	157
8	163
9	193
10	233
11	457
12	577
13	647
14	677
15	857
16	1013
17	1123
18	1223
19	1237
20	1783
21	1867
22	1873
23	2243
24	2417
25	2467
26	2683
27	2957
28	3407
29	3413
30	3517
31	3797
32	4373
33	4447
34	4603
35	4903
36	5413
37	5437
38	5813
39	6053
40	6073
41	6323
42	6577
43	6823
44	6863
45	7207
46	7793

[2,3,5,23,107,137,157,163,193,233,457,577,647,677, 857,1013,1123,1223,1237,1783,1867,1873,2243,2417, 2467,2683,2957,3407,3413,3517,3797,4373,4447,4603, 4903,5413,5437,5813,6053,6073,6323,6577,6823,6863, 7207,7793]

[2,3,5,23,107,137,157,163,193,233,457,577,647,677,
 857,1013,1123,1223,1237,1783,1867,1873,2243,2417,
 2467,2683,2957,3407,3413,3517,3797,4373,4447,4603,
 4903,5413,5437,5813,6053,6073,6323,6577,6823,6863,
 7207,7793]