| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 2 |
| 20 | 3 |
| 21 | 4 |
| 22 | 5 |
| 23 | 6 |
| 24 | 7 |
| 25 | 8 |
| 26 | 9 |
| 27 | 10 |
| 28 | 11 |
| 29 | 13 |
| 30 | 14 |
| 31 | 16 |
| 32 | 17 |
| 33 | 19 |
| 34 | 20 |
| 35 | 22 |
| 36 | 23 |
| 37 | 25 |
| 38 | 26 |
| 39 | 29 |
| 40 | 30 |
| 41 | 32 |
| 42 | 34 |
| 43 | 36 |
| 44 | 37 |
| 45 | 40 |
| 46 | 41 |
| 47 | 43 |
| 48 | 45 |
| 49 | 48 |
| 50 | 49 |
| 51 | 52 |
| 52 | 53 |
| 53 | 56 |
| 54 | 58 |
| 55 | 60 |
| 56 | 61 |
| 57 | 65 |
| 58 | 66 |
| 59 | 69 |
| 60 | 71 |
| 61 | 74 |
| 62 | 75 |
| 63 | 78 |
| 64 | 80 |
| 65 | 83 |
| 66 | 85 |
| 67 | 87 |
| 68 | 88 |
| 69 | 94 |
[0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,2,3,4,5,6,7, 8,9,10,11,13,14,16,17,19,20,22,23,25,26,29,30,32, 34,36,37,40,41,43,45,48,49,52,53,56,58,60,61,65, 66,69,71,74,75,78,80,83,85,87,88,94] |