The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 338 |
| 2 | 21466 |
| 3 | 4071834 |
| 4 | 1926378146 |
| 5 | 2795398080908 |
| 6 | 11449128594687024 |
| 7 | 127786000491037137748 |
[338,21466,4071834,1926378146,2795398080908, 11449128594687024,127786000491037137748] |