The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 2 |
| 5 | 3 |
| 6 | 3 |
| 7 | 4 |
| 8 | 2 |
| 9 | 3 |
| 10 | 4 |
| 11 | 5 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 5 |
| 16 | 2 |
| 17 | 3 |
| 18 | 3 |
| 19 | 4 |
| 20 | 4 |
| 21 | 5 |
| 22 | 5 |
| 23 | 6 |
| 24 | 3 |
| 25 | 4 |
| 26 | 5 |
| 27 | 3 |
| 28 | 4 |
| 29 | 5 |
| 30 | 5 |
| 31 | 5 |
| 32 | 2 |
| 33 | 3 |
| 34 | 4 |
| 35 | 5 |
| 36 | 3 |
| 37 | 4 |
| 38 | 5 |
| 39 | 6 |
| 40 | 4 |
| 41 | 5 |
| 42 | 6 |
| 43 | 5 |
| 44 | 5 |
| 45 | 5 |
| 46 | 6 |
| 47 | 7 |
| 48 | 3 |
| 49 | 4 |
| 50 | 5 |
| 51 | 6 |
| 52 | 5 |
| 53 | 6 |
| 54 | 3 |
| 55 | 4 |
| 56 | 5 |
| 57 | 6 |
| 58 | 5 |
| 59 | 5 |
| 60 | 5 |
| 61 | 6 |
| 62 | 5 |
| 63 | 6 |
| 64 | 2 |
| 65 | 3 |
| 66 | 4 |
| 67 | 5 |
| 68 | 4 |
| 69 | 5 |
| 70 | 5 |
| 71 | 6 |
| 72 | 3 |
| 73 | 4 |
| 74 | 5 |
| 75 | 5 |
| 76 | 5 |
| 77 | 6 |
| 78 | 6 |
| 79 | 7 |
| 80 | 4 |
| 81 | 3 |
| 82 | 4 |
| 83 | 5 |
| 84 | 6 |
| 85 | 5 |
| 86 | 5 |
| 87 | 6 |
| 88 | 5 |
| 89 | 5 |
| 90 | 5 |
| 91 | 5 |
| 92 | 6 |
| 93 | 6 |
| 94 | 7 |
| 95 | 7 |
| 96 | 3 |
| 97 | 4 |
| 98 | 5 |
| 99 | 6 |
| 100 | 5 |
| 101 | 6 |
| 102 | 6 |
| 103 | 7 |
| 104 | 5 |
| 105 | 6 |
[0,1,2,3,2,3,3,4,2,3,4,5,3,4,5,5,2,3,3,4,4,5,5,6, 3,4,5,3,4,5,5,5,2,3,4,5,3,4,5,6,4,5,6,5,5,5,6,7,3, 4,5,6,5,6,3,4,5,6,5,5,5,6,5,6,2,3,4,5,4,5,5,6,3,4, 5,5,5,6,6,7,4,3,4,5,6,5,5,6,5,5,5,5,6,6,7,7,3,4,5, 6,5,6,6,7,5,6] |