The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 216 |
| 4 | 27000 |
| 5 | 9261000 |
| 6 | 12326391000 |
| 7 | 27081081027000 |
| 8 | 110924107886592000 |
| 9 | 544970142046826496000 |
| 10 | 3737950204299182936064000 |
| 11 | 45479640135708158783090688000 |
| 12 | 1109202943269786284560798789632000 |
| 13 | 33044264882950203203350756741926912000 |
| 14 | 1673791149116076642859325881248823873536000 |
[1,8,216,27000,9261000,12326391000,27081081027000, 110924107886592000,544970142046826496000, 3737950204299182936064000, 45479640135708158783090688000, 1109202943269786284560798789632000, 33044264882950203203350756741926912000, 1673791149116076642859325881248823873536000] |