A233747 - OEIS

A233747 as a simple table

n	a(n)
1	1
2	7
3	13
4	15
5	25
6	27
7	37
8	55
9	57
10	93
11	97
12	123
13	133
14	163
15	175
16	177
17	207
18	223
19	235
20	247
21	253
22	265
23	267
24	343
25	363
26	385
27	405
28	417
29	427
30	445
31	463
32	483
33	487
34	505
35	553
36	583
37	597
38	603
39	627
40	735
41	753
42	757
43	793
44	805
45	807
46	925
47	937
48	967
49	993
50	1035
51	1045
52	1047
53	1177
54	1197

[1,7,13,15,25,27,37,55,57,93,97,123,133,163,175, 177,207,223,235,247,253,265,267,343,363,385,405, 417,427,445,463,483,487,505,553,583,597,603,627, 735,753,757,793,805,807,925,937,967,993,1035,1045, 1047,1177,1197]