| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 1 |
| 4 | 5 |
| 5 | 2 |
| 6 | 7 |
| 7 | 3 |
| 8 | 9 |
| 9 | 4 |
| 10 | 11 |
| 11 | 5 |
| 12 | 13 |
| 13 | 6 |
| 14 | 15 |
| 15 | 7 |
| 16 | 17 |
| 17 | 8 |
| 18 | 19 |
| 19 | 9 |
| 20 | 21 |
| 21 | 10 |
| 22 | 23 |
| 23 | 11 |
| 24 | 25 |
| 25 | 12 |
| 26 | 27 |
| 27 | 13 |
| 28 | 29 |
| 29 | 14 |
| 30 | 31 |
| 31 | 15 |
| 32 | 33 |
| 33 | 16 |
| 34 | 35 |
| 35 | 17 |
| 36 | 37 |
| 37 | 18 |
| 38 | 39 |
| 39 | 19 |
| 40 | 41 |
| 41 | 20 |
| 42 | 43 |
| 43 | 21 |
| 44 | 45 |
| 45 | 22 |
| 46 | 47 |
| 47 | 23 |
| 48 | 49 |
| 49 | 24 |
| 50 | 51 |
| 51 | 25 |
| 52 | 53 |
| 53 | 26 |
| 54 | 55 |
| 55 | 27 |
| 56 | 57 |
| 57 | 28 |
| 58 | 59 |
| 59 | 29 |
| 60 | 61 |
| 61 | 30 |
| 62 | 63 |
| 63 | 31 |
| 64 | 65 |
| 65 | 32 |
| 66 | 67 |
| 67 | 33 |
| 68 | 69 |
| 69 | 34 |
| 70 | 71 |
| 71 | 35 |
| 72 | 73 |
| 73 | 36 |
| 74 | 75 |
| 75 | 37 |
| 76 | 77 |
| 77 | 38 |
| 78 | 79 |
| 79 | 39 |
| 80 | 81 |
[1,0,3,1,5,2,7,3,9,4,11,5,13,6,15,7,17,8,19,9,21, 10,23,11,25,12,27,13,29,14,31,15,33,16,35,17,37, 18,39,19,41,20,43,21,45,22,47,23,49,24,51,25,53, 26,55,27,57,28,59,29,61,30,63,31,65,32,67,33,69, 34,71,35,73,36,75,37,77,38,79,39,81] |