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