| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 3 |
| 5 | 6 |
| 6 | 8 |
| 7 | 5 |
| 8 | 10 |
| 9 | 12 |
| 10 | 7 |
| 11 | 14 |
| 12 | 16 |
| 13 | 9 |
| 14 | 18 |
| 15 | 20 |
| 16 | 11 |
| 17 | 22 |
| 18 | 24 |
| 19 | 13 |
| 20 | 26 |
| 21 | 28 |
| 22 | 15 |
| 23 | 30 |
| 24 | 32 |
| 25 | 17 |
| 26 | 34 |
| 27 | 36 |
| 28 | 19 |
| 29 | 38 |
| 30 | 40 |
| 31 | 21 |
| 32 | 42 |
| 33 | 44 |
| 34 | 23 |
| 35 | 46 |
| 36 | 48 |
| 37 | 25 |
| 38 | 50 |
| 39 | 52 |
| 40 | 27 |
| 41 | 54 |
| 42 | 56 |
| 43 | 29 |
| 44 | 58 |
| 45 | 60 |
| 46 | 31 |
| 47 | 62 |
| 48 | 64 |
| 49 | 33 |
| 50 | 66 |
| 51 | 68 |
| 52 | 35 |
| 53 | 70 |
| 54 | 72 |
| 55 | 37 |
| 56 | 74 |
| 57 | 76 |
| 58 | 39 |
| 59 | 78 |
| 60 | 80 |
| 61 | 41 |
| 62 | 82 |
| 63 | 84 |
| 64 | 43 |
| 65 | 86 |
| 66 | 88 |
| 67 | 45 |
[0,1,2,4,3,6,8,5,10,12,7,14,16,9,18,20,11,22,24, 13,26,28,15,30,32,17,34,36,19,38,40,21,42,44,23, 46,48,25,50,52,27,54,56,29,58,60,31,62,64,33,66, 68,35,70,72,37,74,76,39,78,80,41,82,84,43,86,88, 45] |