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 | 7 |
| 7 | 12 |
| 8 | 31 |
| 9 | 59 |
| 10 | 161 |
| 11 | 329 |
| 12 | 944 |
| 13 | 2067 |
| 14 | 6148 |
| 15 | 14558 |
| 16 | 44483 |
| 17 | 116372 |
[1,1,1,2,3,7,12,31,59,161,329,944,2067,6148,14558, 44483,116372] |