n | a(n) |
---|---|
1 | 137 |
2 | 173 |
3 | 317 |
4 | 1373 |
5 | 1733 |
6 | 3137 |
7 | 3371 |
8 | 7331 |
9 | 11173 |
10 | 11317 |
11 | 11731 |
12 | 13171 |
13 | 13177 |
14 | 13337 |
15 | 13711 |
16 | 17137 |
17 | 17317 |
18 | 17333 |
19 | 17377 |
20 | 17713 |
21 | 17737 |
22 | 31177 |
23 | 31337 |
24 | 31771 |
25 | 33317 |
26 | 33713 |
27 | 37117 |
28 | 37171 |
29 | 37313 |
30 | 37717 |
31 | 71317 |
32 | 71333 |
33 | 71713 |
34 | 73133 |
35 | 73331 |
[137,173,317,1373,1733,3137,3371,7331,11173,11317, 11731,13171,13177,13337,13711,17137,17317,17333, 17377,17713,17737,31177,31337,31771,33317,33713, 37117,37171,37313,37717,71317,71333,71713,73133, 73331] |