A124673 - OEIS

A124673 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	23
6	25
7	27
8	32
9	35
10	37
11	52
12	53
13	57
14	72
15	73
16	75
17	235
18	237
19	253
20	257
21	273
22	275
23	325
24	327
25	352
26	357
27	372
28	375
29	523
30	527
31	532
32	537
33	572
34	573
35	723
36	725
37	732
38	735
39	752
40	753
41	2357
42	2375
43	2537
44	2573
45	2735
46	2753
47	3257
48	3275
49	3527
50	3572
51	3725
52	3752
53	5237

[2,3,5,7,23,25,27,32,35,37,52,53,57,72,73,75,235, 237,253,257,273,275,325,327,352,357,372,375,523, 527,532,537,572,573,723,725,732,735,752,753,2357, 2375,2537,2573,2735,2753,3257,3275,3527,3572,3725, 3752,5237]