The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 73 |
| 2 | 6553 |
| 3 | 4782961 |
| 4 | 3486784393 |
| 5 | 31381059601 |
| 6 | 381520424476945831628649898801 |
[73,6553,4782961,3486784393,31381059601, 381520424476945831628649898801] |