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