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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 | 10 |
| 12 | 11 |
| 13 | 13 |
| 14 | 14 |
| 15 | 15 |
| 16 | 16 |
| 17 | 17 |
| 18 | 18 |
| 19 | 20 |
| 20 | 21 |
| 21 | 22 |
| 22 | 23 |
| 23 | 24 |
| 24 | 25 |
| 25 | 26 |
| 26 | 27 |
| 27 | 28 |
| 28 | 33 |
| 29 | 43 |
| 30 | 44 |
| 31 | 53 |
| 32 | 54 |
| 33 | 55 |
| 34 | 56 |
| 35 | 57 |
| 36 | 63 |
| 37 | 64 |
| 38 | 66 |
| 39 | 73 |
| 40 | 74 |
| 41 | 76 |
| 42 | 77 |
| 43 | 83 |
| 44 | 84 |
| 45 | 85 |
| 46 | 86 |
| 47 | 87 |
| 48 | 88 |
| 49 | 90 |
| 50 | 91 |
| 51 | 92 |
| 52 | 93 |
| 53 | 94 |
| 54 | 95 |
| 55 | 96 |
| 56 | 97 |
| 57 | 98 |
| 58 | 99 |
| 59 | 100 |
| 60 | 103 |
| 61 | 104 |
| 62 | 105 |
| 63 | 106 |
| 64 | 107 |
| 65 | 108 |
[0,1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,20, 21,22,23,24,25,26,27,28,33,43,44,53,54,55,56,57, 63,64,66,73,74,76,77,83,84,85,86,87,88,90,91,92, 93,94,95,96,97,98,99,100,103,104,105,106,107,108] |