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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 10 |
| 11 | 11 |
| 12 | 21 |
| 13 | 31 |
| 14 | 41 |
| 15 | 51 |
| 16 | 61 |
| 17 | 71 |
| 18 | 81 |
| 19 | 91 |
| 20 | 20 |
| 21 | 21 |
| 22 | 22 |
| 23 | 32 |
| 24 | 42 |
| 25 | 52 |
| 26 | 62 |
| 27 | 72 |
| 28 | 82 |
| 29 | 92 |
| 30 | 30 |
| 31 | 31 |
| 32 | 32 |
| 33 | 33 |
| 34 | 43 |
| 35 | 53 |
| 36 | 63 |
| 37 | 73 |
| 38 | 83 |
| 39 | 93 |
| 40 | 40 |
| 41 | 41 |
| 42 | 42 |
| 43 | 43 |
| 44 | 44 |
| 45 | 54 |
| 46 | 64 |
| 47 | 74 |
| 48 | 84 |
| 49 | 94 |
| 50 | 50 |
| 51 | 51 |
| 52 | 52 |
| 53 | 53 |
| 54 | 54 |
| 55 | 55 |
| 56 | 65 |
| 57 | 75 |
| 58 | 85 |
| 59 | 95 |
| 60 | 60 |
| 61 | 61 |
| 62 | 62 |
| 63 | 63 |
| 64 | 64 |
| 65 | 65 |
| 66 | 66 |
| 67 | 76 |
| 68 | 86 |
| 69 | 96 |
| 70 | 70 |
| 71 | 71 |
| 72 | 72 |
[0,1,2,3,4,5,6,7,8,9,10,11,21,31,41,51,61,71,81, 91,20,21,22,32,42,52,62,72,82,92,30,31,32,33,43, 53,63,73,83,93,40,41,42,43,44,54,64,74,84,94,50, 51,52,53,54,55,65,75,85,95,60,61,62,63,64,65,66, 76,86,96,70,71,72] |