| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 11 |
| 8 | 12 |
| 9 | 13 |
| 10 | 14 |
| 11 | 15 |
| 12 | 20 |
| 13 | 21 |
| 14 | 22 |
| 15 | 23 |
| 16 | 24 |
| 17 | 25 |
| 18 | 30 |
| 19 | 31 |
| 20 | 32 |
| 21 | 33 |
| 22 | 34 |
| 23 | 35 |
| 24 | 40 |
| 25 | 41 |
| 26 | 42 |
| 27 | 43 |
| 28 | 44 |
| 29 | 45 |
| 30 | 50 |
| 31 | 100 |
| 32 | 101 |
| 33 | 102 |
| 34 | 103 |
| 35 | 104 |
| 36 | 105 |
| 37 | 110 |
| 38 | 111 |
| 39 | 112 |
| 40 | 113 |
| 41 | 114 |
| 42 | 115 |
| 43 | 120 |
| 44 | 121 |
| 45 | 122 |
| 46 | 123 |
| 47 | 124 |
| 48 | 125 |
| 49 | 130 |
| 50 | 131 |
| 51 | 132 |
| 52 | 133 |
| 53 | 134 |
| 54 | 135 |
| 55 | 140 |
| 56 | 141 |
| 57 | 142 |
| 58 | 143 |
| 59 | 144 |
[1,2,3,4,5,10,11,12,13,14,15,20,21,22,23,24,25,30, 31,32,33,34,35,40,41,42,43,44,45,50,100,101,102, 103,104,105,110,111,112,113,114,115,120,121,122, 123,124,125,130,131,132,133,134,135,140,141,142, 143,144] |