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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 24 |
| 12 | 25 |
| 13 | 26 |
| 14 | 27 |
| 15 | 28 |
| 16 | 29 |
| 17 | 35 |
| 18 | 36 |
| 19 | 37 |
| 20 | 38 |
| 21 | 39 |
| 22 | 46 |
| 23 | 47 |
| 24 | 48 |
| 25 | 49 |
| 26 | 56 |
| 27 | 57 |
| 28 | 58 |
| 29 | 59 |
| 30 | 67 |
| 31 | 68 |
| 32 | 69 |
| 33 | 77 |
| 34 | 78 |
| 35 | 79 |
| 36 | 87 |
| 37 | 88 |
| 38 | 89 |
| 39 | 98 |
| 40 | 99 |
| 41 | 299 |
| 42 | 399 |
| 43 | 499 |
| 44 | 599 |
| 45 | 699 |
| 46 | 799 |
| 47 | 899 |
| 48 | 999 |
| 49 | 2499 |
| 50 | 2599 |
| 51 | 2699 |
| 52 | 2799 |
| 53 | 2899 |
| 54 | 2999 |
| 55 | 3599 |
| 56 | 3699 |
| 57 | 3799 |
| 58 | 3899 |
| 59 | 3999 |
| 60 | 4699 |
| 61 | 4799 |
| 62 | 4899 |
[0,1,2,3,4,5,6,7,8,9,24,25,26,27,28,29,35,36,37, 38,39,46,47,48,49,56,57,58,59,67,68,69,77,78,79, 87,88,89,98,99,299,399,499,599,699,799,899,999, 2499,2599,2699,2799,2899,2999,3599,3699,3799,3899, 3999,4699,4799,4899] |