The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 1 |
| 7 | 4 |
| 8 | 4 |
| 9 | 4 |
| 10 | 1 |
| 11 | 12 |
| 12 | 36 |
| 13 | 8 |
| 14 | 5 |
| 15 | 1 |
| 16 | 48 |
| 17 | 900 |
| 18 | 400 |
| 19 | 16 |
| 20 | 6 |
| 21 | 1 |
| 22 | 240 |
| 23 | 45360 |
| 24 | 94080 |
| 25 | 4900 |
| 26 | 32 |
| 27 | 7 |
| 28 | 1 |
| 29 | 1440 |
| 30 | 3855600 |
| 31 | 60614400 |
| 32 | 11988900 |
| 33 | 63504 |
| 34 | 64 |
| 35 | 8 |
| 36 | 1 |
| 37 | 10080 |
| 38 | 493970400 |
| 39 | 82065984000 |
| 40 | 114144030000 |
| 41 | 1704214512 |
| 42 | 853776 |
| 43 | 128 |
| 44 | 9 |
[1,1,2,1,2,3,1,4,4,4,1,12,36,8,5,1,48,900,400,16, 6,1,240,45360,94080,4900,32,7,1,1440,3855600, 60614400,11988900,63504,64,8,1,10080,493970400, 82065984000,114144030000,1704214512,853776,128,9] |