The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 6 |
| 7 | 1 |
| 8 | 13 |
| 9 | 4 |
| 10 | 6 |
| 11 | 1 |
| 12 | 25 |
| 13 | 1 |
| 14 | 6 |
| 15 | 6 |
| 16 | 38 |
| 17 | 1 |
| 18 | 26 |
| 19 | 1 |
| 20 | 26 |
| 21 | 6 |
| 22 | 6 |
[0,1,1,4,1,6,1,13,4,6,1,25,1,6,6,38,1,26,1,26,6,6] |