The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 558 |
| 2 | 6804 |
| 3 | 85464 |
| 4 | 1069400 |
| 5 | 13402934 |
| 6 | 167888152 |
| 7 | 2103506918 |
| 8 | 26352981590 |
| 9 | 330164967962 |
| 10 | 4136436492474 |
| 11 | 51823165353050 |
| 12 | 649263096931468 |
| 13 | 8134255022736090 |
| 14 | 101909518812574074 |
| 15 | 1276767300743745726 |
[558,6804,85464,1069400,13402934,167888152, 2103506918,26352981590,330164967962,4136436492474, 51823165353050,649263096931468,8134255022736090, 101909518812574074,1276767300743745726] |