| n | a(n) |
|---|---|
| 1 | 379 |
| 2 | 397 |
| 3 | 739 |
| 4 | 937 |
| 5 | 3739 |
| 6 | 3779 |
| 7 | 3793 |
| 8 | 3797 |
| 9 | 7393 |
| 10 | 7793 |
| 11 | 7933 |
| 12 | 7937 |
| 13 | 7993 |
| 14 | 9337 |
| 15 | 9377 |
| 16 | 9397 |
| 17 | 9733 |
| 18 | 9739 |
| 19 | 9973 |
| 20 | 33739 |
| 21 | 33797 |
| 22 | 33937 |
| 23 | 33997 |
| 24 | 37339 |
| 25 | 37379 |
| 26 | 37397 |
| 27 | 37799 |
| 28 | 37993 |
| 29 | 37997 |
| 30 | 39373 |
| 31 | 39397 |
| 32 | 39733 |
| 33 | 39779 |
| 34 | 39799 |
| 35 | 39937 |
| 36 | 39979 |
| 37 | 73379 |
| 38 | 73939 |
[379,397,739,937,3739,3779,3793,3797,7393,7793, 7933,7937,7993,9337,9377,9397,9733,9739,9973, 33739,33797,33937,33997,37339,37379,37397,37799, 37993,37997,39373,39397,39733,39779,39799,39937, 39979,73379,73939] |