The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 1 |
| 10 | 1 |
| 11 | 3 |
| 12 | 3 |
| 13 | 4 |
| 14 | 1 |
| 15 | 1 |
| 16 | 3 |
| 17 | 6 |
| 18 | 4 |
| 19 | 5 |
| 20 | 1 |
| 21 | 1 |
| 22 | 4 |
| 23 | 6 |
| 24 | 10 |
| 25 | 5 |
| 26 | 6 |
| 27 | 1 |
| 28 | 1 |
| 29 | 4 |
| 30 | 10 |
| 31 | 10 |
| 32 | 15 |
| 33 | 6 |
| 34 | 7 |
| 35 | 1 |
| 36 | 1 |
| 37 | 5 |
| 38 | 10 |
| 39 | 20 |
| 40 | 15 |
| 41 | 21 |
| 42 | 7 |
| 43 | 8 |
| 44 | 1 |
| 45 | 1 |
| 46 | 5 |
| 47 | 15 |
| 48 | 20 |
| 49 | 35 |
| 50 | 21 |
| 51 | 28 |
| 52 | 8 |
| 53 | 9 |
| 54 | 1 |
| 55 | 1 |
| 56 | 6 |
| 57 | 15 |
| 58 | 35 |
| 59 | 35 |
| 60 | 56 |
| 61 | 28 |
| 62 | 36 |
| 63 | 9 |
| 64 | 10 |
| 65 | 1 |
| 66 | 1 |
| 67 | 6 |
| 68 | 21 |
| 69 | 35 |
| 70 | 70 |
| 71 | 56 |
| 72 | 84 |
| 73 | 36 |
| 74 | 45 |
| 75 | 10 |
| 76 | 11 |
| 77 | 1 |
| 78 | 1 |
| 79 | 7 |
| 80 | 21 |
| 81 | 56 |
| 82 | 70 |
| 83 | 126 |
| 84 | 84 |
| 85 | 120 |
| 86 | 45 |
| 87 | 55 |
| 88 | 11 |
| 89 | 12 |
| 90 | 1 |
[1,1,1,2,1,1,2,3,1,1,3,3,4,1,1,3,6,4,5,1,1,4,6,10, 5,6,1,1,4,10,10,15,6,7,1,1,5,10,20,15,21,7,8,1,1, 5,15,20,35,21,28,8,9,1,1,6,15,35,35,56,28,36,9,10, 1,1,6,21,35,70,56,84,36,45,10,11,1,1,7,21,56,70, 126,84,120,45,55,11,12,1] |