| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 6 |
| 8 | 7 |
| 9 | 9 |
| 10 | 10 |
| 11 | 11 |
| 12 | 11 |
| 13 | 11 |
| 14 | 14 |
| 15 | 12 |
| 16 | 12 |
| 17 | 15 |
| 18 | 17 |
| 19 | 18 |
| 20 | 18 |
| 21 | 20 |
| 22 | 20 |
| 23 | 20 |
| 24 | 21 |
| 25 | 22 |
| 26 | 24 |
| 27 | 23 |
| 28 | 24 |
| 29 | 25 |
| 30 | 27 |
| 31 | 25 |
| 32 | 23 |
| 33 | 26 |
| 34 | 29 |
| 35 | 32 |
| 36 | 31 |
| 37 | 34 |
| 38 | 39 |
| 39 | 34 |
| 40 | 30 |
| 41 | 36 |
| 42 | 39 |
| 43 | 37 |
| 44 | 39 |
| 45 | 44 |
| 46 | 50 |
| 47 | 42 |
| 48 | 40 |
| 49 | 45 |
| 50 | 46 |
| 51 | 49 |
| 52 | 52 |
| 53 | 50 |
| 54 | 49 |
| 55 | 46 |
| 56 | 46 |
| 57 | 51 |
| 58 | 50 |
| 59 | 54 |
| 60 | 56 |
| 61 | 48 |
| 62 | 48 |
| 63 | 52 |
| 64 | 54 |
| 65 | 59 |
| 66 | 57 |
| 67 | 54 |
[1,2,3,4,5,6,7,6,7,9,10,11,11,11,14,12,12,15,17, 18,18,20,20,20,21,22,24,23,24,25,27,25,23,26,29, 32,31,34,39,34,30,36,39,37,39,44,50,42,40,45,46, 49,52,50,49,46,46,51,50,54,56,48,48,52,54,59,57, 54] |