The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 4536 |
| 2 | 352880 |
| 3 | 17912392 |
| 4 | 661066920 |
| 5 | 26232879096 |
| 6 | 1007501698644 |
| 7 | 37291148287704 |
| 8 | 1391736921064152 |
[4536,352880,17912392,661066920,26232879096, 1007501698644,37291148287704,1391736921064152] |