The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 1 |
| 6 | 0 |
| 7 | 2 |
| 8 | 2 |
| 9 | 1 |
| 10 | 3 |
| 11 | 2 |
| 12 | 3 |
| 13 | 3 |
| 14 | 1 |
| 15 | 0 |
| 16 | 3 |
| 17 | 4 |
| 18 | 5 |
| 19 | 4 |
| 20 | 1 |
| 21 | 4 |
| 22 | 3 |
| 23 | 5 |
| 24 | 7 |
| 25 | 8 |
| 26 | 5 |
| 27 | 1 |
| 28 | 0 |
| 29 | 4 |
| 30 | 6 |
| 31 | 9 |
| 32 | 12 |
| 33 | 12 |
| 34 | 6 |
| 35 | 1 |
| 36 | 5 |
| 37 | 4 |
| 38 | 7 |
| 39 | 11 |
| 40 | 16 |
| 41 | 20 |
| 42 | 17 |
| 43 | 7 |
| 44 | 1 |
| 45 | 0 |
| 46 | 5 |
| 47 | 8 |
| 48 | 13 |
| 49 | 20 |
| 50 | 28 |
| 51 | 32 |
| 52 | 23 |
| 53 | 8 |
| 54 | 1 |
| 55 | 6 |
| 56 | 5 |
| 57 | 9 |
| 58 | 15 |
| 59 | 24 |
| 60 | 36 |
| 61 | 48 |
| 62 | 49 |
| 63 | 30 |
| 64 | 9 |
| 65 | 1 |
| 66 | 0 |
| 67 | 6 |
| 68 | 10 |
| 69 | 17 |
| 70 | 28 |
| 71 | 44 |
| 72 | 64 |
| 73 | 80 |
| 74 | 72 |
| 75 | 38 |
| 76 | 10 |
| 77 | 1 |
| 78 | 7 |
| 79 | 6 |
| 80 | 11 |
| 81 | 19 |
| 82 | 32 |
| 83 | 52 |
| 84 | 80 |
| 85 | 112 |
| 86 | 129 |
[1,0,1,2,1,1,0,2,2,1,3,2,3,3,1,0,3,4,5,4,1,4,3,5, 7,8,5,1,0,4,6,9,12,12,6,1,5,4,7,11,16,20,17,7,1,0, 5,8,13,20,28,32,23,8,1,6,5,9,15,24,36,48,49,30,9, 1,0,6,10,17,28,44,64,80,72,38,10,1,7,6,11,19,32, 52,80,112,129] |