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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 5 |
| 4 | 8 |
| 5 | 7 |
| 6 | 9 |
| 7 | 0 |
| 8 | 0 |
| 9 | 11 |
| 10 | 14 |
| 11 | 13 |
| 12 | 18 |
| 13 | 0 |
| 14 | 20 |
| 15 | 17 |
| 16 | 24 |
| 17 | 19 |
| 18 | 22 |
| 19 | 0 |
| 20 | 0 |
| 21 | 23 |
| 22 | 25 |
| 23 | 27 |
| 24 | 0 |
| 25 | 0 |
| 26 | 32 |
| 27 | 29 |
| 28 | 0 |
| 29 | 31 |
| 30 | 34 |
| 31 | 35 |
| 32 | 40 |
| 33 | 0 |
| 34 | 38 |
| 35 | 37 |
| 36 | 0 |
| 37 | 0 |
| 38 | 44 |
| 39 | 41 |
| 40 | 0 |
| 41 | 43 |
| 42 | 46 |
| 43 | 0 |
| 44 | 50 |
| 45 | 47 |
| 46 | 49 |
| 47 | 51 |
| 48 | 56 |
| 49 | 0 |
| 50 | 0 |
| 51 | 53 |
| 52 | 0 |
| 53 | 57 |
| 54 | 58 |
| 55 | 0 |
| 56 | 0 |
| 57 | 59 |
| 58 | 62 |
| 59 | 61 |
| 60 | 72 |
| 61 | 65 |
| 62 | 68 |
| 63 | 0 |
| 64 | 0 |
| 65 | 67 |
| 66 | 0 |
| 67 | 0 |
| 68 | 0 |
| 69 | 71 |
| 70 | 74 |
| 71 | 73 |
| 72 | 84 |
| 73 | 77 |
| 74 | 0 |
| 75 | 0 |
| 76 | 81 |
| 77 | 79 |
| 78 | 82 |
| 79 | 0 |
| 80 | 88 |
[1,3,6,5,8,7,9,0,0,11,14,13,18,0,20,17,24,19,22,0, 0,23,25,27,0,0,32,29,0,31,34,35,40,0,38,37,0,0,44, 41,0,43,46,0,50,47,49,51,56,0,0,53,0,57,58,0,0,59, 62,61,72,65,68,0,0,67,0,0,0,71,74,73,84,77,0,0,81, 79,82,0,88] |