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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 | 11 |
| 11 | 10 |
| 12 | 22 |
| 13 | 33 |
| 14 | 44 |
| 15 | 55 |
| 16 | 66 |
| 17 | 77 |
| 18 | 88 |
| 19 | 99 |
| 20 | 21 |
| 21 | 20 |
| 22 | 12 |
| 23 | 32 |
| 24 | 43 |
| 25 | 54 |
| 26 | 65 |
| 27 | 76 |
| 28 | 87 |
| 29 | 98 |
| 30 | 31 |
| 31 | 30 |
| 32 | 23 |
| 33 | 13 |
| 34 | 42 |
| 35 | 53 |
| 36 | 64 |
| 37 | 75 |
| 38 | 86 |
| 39 | 97 |
| 40 | 41 |
| 41 | 40 |
| 42 | 34 |
| 43 | 24 |
| 44 | 14 |
| 45 | 52 |
| 46 | 63 |
| 47 | 74 |
| 48 | 85 |
| 49 | 96 |
| 50 | 51 |
| 51 | 50 |
| 52 | 45 |
| 53 | 35 |
| 54 | 25 |
| 55 | 15 |
| 56 | 62 |
| 57 | 73 |
| 58 | 84 |
| 59 | 95 |
| 60 | 61 |
| 61 | 60 |
| 62 | 56 |
| 63 | 46 |
| 64 | 36 |
| 65 | 26 |
| 66 | 16 |
| 67 | 72 |
[0,1,2,3,4,5,6,7,8,9,11,10,22,33,44,55,66,77,88, 99,21,20,12,32,43,54,65,76,87,98,31,30,23,13,42, 53,64,75,86,97,41,40,34,24,14,52,63,74,85,96,51, 50,45,35,25,15,62,73,84,95,61,60,56,46,36,26,16, 72] |