The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 1 |
| 12 | 2 |
| 13 | 3 |
| 14 | 3 |
| 15 | 2 |
| 16 | 1 |
| 17 | 4 |
| 18 | 14 |
| 19 | 44 |
| 20 | 33 |
| 21 | 12 |
| 22 | 1 |
| 23 | 4 |
| 24 | 45 |
| 25 | 808 |
| 26 | 3712 |
| 27 | 1895 |
| 28 | 147 |
| 29 | 1 |
| 30 | 7 |
| 31 | 259 |
| 32 | 48295 |
| 33 | 2379263 |
| 34 | 14610901 |
| 35 | 6670346 |
| 36 | 283657 |
| 37 | 1 |
| 38 | 8 |
| 39 | 1700 |
| 40 | 4028568 |
[1,1,1,1,1,1,1,2,2,2,1,2,3,3,2,1,4,14,44,33,12,1, 4,45,808,3712,1895,147,1,7,259,48295,2379263, 14610901,6670346,283657,1,8,1700,4028568] |