| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 20 |
| 10 | 21 |
| 11 | 22 |
| 12 | 23 |
| 13 | 24 |
| 14 | 25 |
| 15 | 26 |
| 16 | 27 |
| 17 | 28 |
| 18 | 40 |
| 19 | 41 |
| 20 | 42 |
| 21 | 43 |
| 22 | 44 |
| 23 | 45 |
| 24 | 46 |
| 25 | 47 |
| 26 | 48 |
| 27 | 60 |
| 28 | 61 |
| 29 | 62 |
| 30 | 63 |
| 31 | 64 |
| 32 | 65 |
| 33 | 66 |
| 34 | 67 |
| 35 | 68 |
| 36 | 80 |
| 37 | 81 |
| 38 | 82 |
| 39 | 83 |
| 40 | 84 |
| 41 | 85 |
| 42 | 86 |
| 43 | 87 |
| 44 | 88 |
| 45 | 210 |
| 46 | 211 |
| 47 | 212 |
| 48 | 213 |
| 49 | 214 |
| 50 | 215 |
| 51 | 216 |
| 52 | 217 |
| 53 | 218 |
| 54 | 230 |
| 55 | 231 |
| 56 | 232 |
| 57 | 233 |
| 58 | 234 |
| 59 | 235 |
| 60 | 236 |
| 61 | 237 |
| 62 | 238 |
| 63 | 250 |
| 64 | 251 |
| 65 | 252 |
| 66 | 253 |
[0,1,2,3,4,5,6,7,8,20,21,22,23,24,25,26,27,28,40, 41,42,43,44,45,46,47,48,60,61,62,63,64,65,66,67, 68,80,81,82,83,84,85,86,87,88,210,211,212,213,214, 215,216,217,218,230,231,232,233,234,235,236,237, 238,250,251,252,253] |