The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 7 |
| 5 | 4 |
| 6 | 3 |
| 7 | 15 |
| 8 | 5 |
| 9 | 5 |
| 10 | 4 |
| 11 | 31 |
| 12 | 9 |
| 13 | 6 |
| 14 | 6 |
| 15 | 5 |
| 16 | 63 |
| 17 | 13 |
| 18 | 7 |
| 19 | 7 |
| 20 | 7 |
| 21 | 6 |
| 22 | 127 |
| 23 | 19 |
| 24 | 11 |
| 25 | 8 |
| 26 | 8 |
| 27 | 8 |
| 28 | 7 |
| 29 | 255 |
[1,3,2,7,4,3,15,5,5,4,31,9,6,6,5,63,13,7,7,7,6, 127,19,11,8,8,8,7,255] |