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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 0 |
| 2 | 3 |
| 3 | 11 |
| 4 | 17 |
| 5 | 111 |
| 6 | 117 |
| 7 | 317 |
| 8 | 1317 |
| 9 | 3317 |
| 10 | 11317 |
| 11 | 17317 |
| 12 | 111317 |
| 13 | 117317 |
| 14 | 317317 |
| 15 | 1317317 |
| 16 | 3317317 |
| 17 | 11317317 |
| 18 | 17317317 |
| 19 | 111317317 |
| 20 | 117317317 |
| 21 | 317317317 |
| 22 | 1317317317 |
| 23 | 3317317317 |
| 24 | 11317317317 |
| 25 | 17317317317 |
| 26 | 111317317317 |
| 27 | 117317317317 |
| 28 | 317317317317 |
| 29 | 1317317317317 |
[2,0,3,11,17,111,117,317,1317,3317,11317,17317, 111317,117317,317317,1317317,3317317,11317317, 17317317,111317317,117317317,317317317,1317317317, 3317317317,11317317317,17317317317,111317317317, 117317317317,317317317317,1317317317317] |