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