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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 12 |
| 3 | 13 |
| 4 | 360 |
| 5 | 361 |
| 6 | 372 |
| 7 | 373 |
| 8 | 20160 |
| 9 | 20161 |
| 10 | 20172 |
| 11 | 20173 |
| 12 | 20520 |
| 13 | 20521 |
| 14 | 20532 |
| 15 | 20533 |
| 16 | 1814400 |
| 17 | 1814401 |
| 18 | 1814412 |
| 19 | 1814413 |
| 20 | 1814760 |
| 21 | 1814761 |
| 22 | 1814772 |
| 23 | 1814773 |
| 24 | 1834560 |
| 25 | 1834561 |
| 26 | 1834572 |
| 27 | 1834573 |
| 28 | 1834920 |
| 29 | 1834921 |
| 30 | 1834932 |
| 31 | 1834933 |
| 32 | 239500800 |
| 33 | 239500801 |
| 34 | 239500812 |
| 35 | 239500813 |
| 36 | 239501160 |
| 37 | 239501161 |
| 38 | 239501172 |
| 39 | 239501173 |
| 40 | 239520960 |
| 41 | 239520961 |
[0,1,12,13,360,361,372,373,20160,20161,20172, 20173,20520,20521,20532,20533,1814400,1814401, 1814412,1814413,1814760,1814761,1814772,1814773, 1834560,1834561,1834572,1834573,1834920,1834921, 1834932,1834933,239500800,239500801,239500812, 239500813,239501160,239501161,239501172,239501173, 239520960,239520961] |