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 | 3 |
| 6 | 2 |
| 7 | 6 |
| 8 | 7 |
| 9 | 7 |
| 10 | 11 |
| 11 | 20 |
| 12 | 14 |
| 13 | 35 |
| 14 | 37 |
| 15 | 36 |
| 16 | 70 |
| 17 | 106 |
| 18 | 77 |
| 19 | 182 |
[1,1,1,2,3,2,6,7,7,11,20,14,35,37,36,70,106,77, 182] |