The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 4 |
| 7 | 3 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 3 |
| 12 | 6 |
| 13 | 9 |
| 14 | 12 |
| 15 | 15 |
| 16 | 18 |
| 17 | 19 |
| 18 | 18 |
| 19 | 12 |
| 20 | 5 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 24 | 3 |
| 25 | 6 |
| 26 | 11 |
| 27 | 16 |
| 28 | 25 |
| 29 | 35 |
| 30 | 48 |
| 31 | 62 |
| 32 | 77 |
| 33 | 93 |
| 34 | 111 |
| 35 | 124 |
| 36 | 133 |
| 37 | 134 |
| 38 | 127 |
| 39 | 111 |
| 40 | 85 |
| 41 | 53 |
| 42 | 24 |
| 43 | 7 |
| 44 | 1 |
[1,1,1,1,1,3,4,3,1,1,1,3,6,9,12,15,18,19,18,12,5, 1,1,1,3,6,11,16,25,35,48,62,77,93,111,124,133,134, 127,111,85,53,24,7,1] |