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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 0 |
| 8 | 1 |
| 9 | 4 |
| 10 | 5 |
| 11 | 2 |
| 12 | 3 |
| 13 | 6 |
| 14 | 7 |
| 15 | 0 |
| 16 | 1 |
| 17 | 8 |
| 18 | 9 |
| 19 | 4 |
| 20 | 5 |
| 21 | 10 |
| 22 | 11 |
| 23 | 2 |
| 24 | 3 |
| 25 | 12 |
| 26 | 13 |
| 27 | 6 |
| 28 | 7 |
| 29 | 14 |
| 30 | 15 |
| 31 | 0 |
| 32 | 1 |
| 33 | 16 |
| 34 | 17 |
| 35 | 8 |
| 36 | 9 |
| 37 | 18 |
| 38 | 19 |
| 39 | 4 |
| 40 | 5 |
| 41 | 20 |
| 42 | 21 |
| 43 | 10 |
| 44 | 11 |
| 45 | 22 |
| 46 | 23 |
| 47 | 2 |
| 48 | 3 |
| 49 | 24 |
| 50 | 25 |
| 51 | 12 |
| 52 | 13 |
| 53 | 26 |
| 54 | 27 |
| 55 | 6 |
| 56 | 7 |
| 57 | 28 |
| 58 | 29 |
| 59 | 14 |
| 60 | 15 |
| 61 | 30 |
| 62 | 31 |
| 63 | 0 |
| 64 | 1 |
| 65 | 32 |
| 66 | 33 |
| 67 | 16 |
| 68 | 17 |
| 69 | 34 |
| 70 | 35 |
| 71 | 8 |
| 72 | 9 |
| 73 | 36 |
| 74 | 37 |
| 75 | 18 |
| 76 | 19 |
| 77 | 38 |
| 78 | 39 |
| 79 | 4 |
| 80 | 5 |
| 81 | 40 |
| 82 | 41 |
| 83 | 20 |
[0,1,0,1,2,3,0,1,4,5,2,3,6,7,0,1,8,9,4,5,10,11,2, 3,12,13,6,7,14,15,0,1,16,17,8,9,18,19,4,5,20,21, 10,11,22,23,2,3,24,25,12,13,26,27,6,7,28,29,14,15, 30,31,0,1,32,33,16,17,34,35,8,9,36,37,18,19,38,39, 4,5,40,41,20] |