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| n | a(n) |
|---|---|
| 0 | 12 |
| 1 | 345 |
| 2 | 6 |
| 3 | 78 |
| 4 | 9 |
| 5 | 1011 |
| 6 | 121314 |
| 7 | 15 |
| 8 | 1617 |
| 9 | 18 |
| 10 | 1920 |
| 11 | 21 |
| 12 | 222 |
| 13 | 324 |
| 14 | 252 |
| 15 | 627 |
| 16 | 282 |
| 17 | 930 |
| 18 | 3132 |
| 19 | 33 |
| 20 | 3435 |
| 21 | 36 |
| 22 | 3738 |
| 23 | 39 |
| 24 | 4041 |
| 25 | 42 |
| 26 | 4344 |
| 27 | 45 |
| 28 | 4647 |
| 29 | 48 |
| 30 | 4950 |
| 31 | 51 |
| 32 | 525 |
| 33 | 354 |
| 34 | 555 |
| 35 | 657 |
| 36 | 585 |
| 37 | 960 |
| 38 | 6162 |
| 39 | 63 |
| 40 | 6465 |
| 41 | 66 |
| 42 | 6768 |
| 43 | 69 |
| 44 | 7071 |
| 45 | 72 |
| 46 | 7374 |
| 47 | 75 |
| 48 | 7677 |
| 49 | 787980 |
| 50 | 81 |
| 51 | 828 |
| 52 | 384 |
| 53 | 858 |
| 54 | 687 |
| 55 | 888 |
| 56 | 990 |
| 57 | 9192 |
| 58 | 93 |
| 59 | 9495 |
| 60 | 96 |
| 61 | 9798 |
| 62 | 99 |
[12,345,6,78,9,1011,121314,15,1617,18,1920,21,222, 324,252,627,282,930,3132,33,3435,36,3738,39,4041, 42,4344,45,4647,48,4950,51,525,354,555,657,585, 960,6162,63,6465,66,6768,69,7071,72,7374,75,7677, 787980,81,828,384,858,687,888,990,9192,93,9495,96, 9798,99] |