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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 9 |
| 8 | 10 |
| 9 | 11 |
| 10 | 20 |
| 11 | 21 |
| 12 | 22 |
| 13 | 40 |
| 14 | 41 |
| 15 | 42 |
| 16 | 82 |
| 17 | 83 |
| 18 | 84 |
| 19 | 166 |
| 20 | 167 |
| 21 | 168 |
| 22 | 334 |
| 23 | 335 |
| 24 | 336 |
| 25 | 670 |
| 26 | 671 |
| 27 | 672 |
| 28 | 1340 |
| 29 | 1341 |
| 30 | 1342 |
| 31 | 2682 |
| 32 | 2683 |
| 33 | 2684 |
| 34 | 5366 |
| 35 | 5367 |
| 36 | 5368 |
| 37 | 10734 |
| 38 | 10735 |
| 39 | 10736 |
| 40 | 21470 |
| 41 | 21471 |
| 42 | 21472 |
| 43 | 42942 |
| 44 | 42943 |
| 45 | 42944 |
| 46 | 85886 |
| 47 | 85887 |
| 48 | 85888 |
[0,1,2,3,4,5,6,9,10,11,20,21,22,40,41,42,82,83,84, 166,167,168,334,335,336,670,671,672,1340,1341, 1342,2682,2683,2684,5366,5367,5368,10734,10735, 10736,21470,21471,21472,42942,42943,42944,85886, 85887,85888] |