The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 18 |
| 2 | 18 |
| 3 | 11250 |
| 4 | 57177414 |
| 5 | 8696754 |
| 6 | 10763393803185114 |
| 7 | 501126 |
| 8 | 23816977256250 |
| 9 | 23981814018 |
| 10 | 230750426250 |
| 11 | 3730545397766934 |
| 12 | 33914855378546706844968750 |
| 13 | 11135545745963323734 |
| 14 | 234030019748505421122 |
| 15 | 246218836545018 |
| 16 | 5018345916 |
[18,18,11250,57177414,8696754,10763393803185114, 501126,23816977256250,23981814018,230750426250, 3730545397766934,33914855378546706844968750, 11135545745963323734,234030019748505421122, 246218836545018,5018345916] |