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