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n | a(n) |
---|---|
1 | 13 |
2 | 23 |
3 | 43 |
4 | 53 |
5 | 73 |
6 | 83 |
7 | 139 |
8 | 157 |
9 | 163 |
10 | 239 |
11 | 257 |
12 | 263 |
13 | 439 |
14 | 457 |
15 | 463 |
16 | 557 |
17 | 563 |
18 | 739 |
19 | 757 |
20 | 839 |
21 | 857 |
22 | 863 |
23 | 1297 |
24 | 1423 |
25 | 1447 |
26 | 1663 |
27 | 1861 |
28 | 1999 |
29 | 2111 |
30 | 2243 |
31 | 2273 |
32 | 2297 |
33 | 2423 |
34 | 2447 |
35 | 2663 |
36 | 2861 |
37 | 2969 |
38 | 2999 |
39 | 4111 |
40 | 4243 |
41 | 4273 |
42 | 4297 |
43 | 4423 |
44 | 4447 |
45 | 4663 |
46 | 4861 |
47 | 4969 |
[13,23,43,53,73,83,139,157,163,239,257,263,439, 457,463,557,563,739,757,839,857,863,1297,1423, 1447,1663,1861,1999,2111,2243,2273,2297,2423,2447, 2663,2861,2969,2999,4111,4243,4273,4297,4423,4447, 4663,4861,4969] |