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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 345 |
| 4 | 67 |
| 5 | 8 |
| 6 | 9101112 |
| 7 | 13 |
| 8 | 14 |
| 9 | 1516 |
| 10 | 1718 |
| 11 | 19 |
| 12 | 202122232425 |
| 13 | 26 |
| 14 | 2728 |
| 15 | 2930 |
| 16 | 31 |
| 17 | 32 |
| 18 | 3334 |
| 19 | 35 |
| 20 | 3637 |
| 21 | 38 |
| 22 | 3940 |
| 23 | 41 |
| 24 | 42 |
| 25 | 4344454647 |
| 26 | 4849 |
| 27 | 50 |
| 28 | 5152 |
| 29 | 5354 |
| 30 | 55 |
| 31 | 56 |
| 32 | 5758 |
| 33 | 59 |
| 34 | 6061 |
| 35 | 62 |
| 36 | 6364 |
| 37 | 6566 |
| 38 | 67 |
| 39 | 686970 |
| 40 | 7172737475 |
| 41 | 76 |
| 42 | 7778 |
| 43 | 79 |
| 44 | 808182 |
| 45 | 8384 |
| 46 | 8586 |
| 47 | 87 |
[1,2,345,67,8,9101112,13,14,1516,1718,19, 202122232425,26,2728,2930,31,32,3334,35,3637,38, 3940,41,42,4344454647,4849,50,5152,5354,55,56, 5758,59,6061,62,6364,6566,67,686970,7172737475,76, 7778,79,808182,8384,8586,87] |