The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 4 |
| 8 | 8 |
| 9 | 9 |
| 10 | 3 |
| 11 | 14 |
| 12 | 12 |
| 13 | 4 |
| 14 | 8 |
| 15 | 19 |
| 16 | 15 |
| 17 | 5 |
| 18 | 85 |
| 19 | 1 |
| 20 | 105 |
| 21 | 99 |
| 22 | 56 |
| 23 | 19 |
| 24 | 183 |
| 25 | 59 |
| 26 | 150 |
| 27 | 511 |
| 28 | 250 |
| 29 | 382 |
| 30 | 36 |
| 31 | 988 |
| 32 | 1937 |
| 33 | 1035 |
| 34 | 1240 |
| 35 | 1733 |
| 36 | 3862 |
| 37 | 1425 |
| 38 | 4295 |
| 39 | 229 |
| 40 | 8648 |
| 41 | 14795 |
| 42 | 11628 |
[2,1,1,3,4,5,4,8,9,3,14,12,4,8,19,15,5,85,1,105, 99,56,19,183,59,150,511,250,382,36,988,1937,1035, 1240,1733,3862,1425,4295,229,8648,14795,11628] |