The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 36 |
| 4 | 1296 |
| 5 | 7776 |
| 6 | 279936 |
| 7 | 362797056 |
| 8 | 78364164096 |
| 9 | 470184984576 |
| 10 | 16926659444736 |
| 11 | 21936950640377856 |
| 12 | 4738381338321616896 |
| 13 | 170581728179578208256 |
| 14 | 36845653286788892983296 |
| 15 | 2227915756473955677973140996096 |
| 16 | 13367494538843734067838845976576 |
[1,6,36,1296,7776,279936,362797056,78364164096, 470184984576,16926659444736,21936950640377856, 4738381338321616896,170581728179578208256, 36845653286788892983296, 2227915756473955677973140996096, 13367494538843734067838845976576] |