The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 33 |
| 3 | 2704 |
| 4 | 1082905 |
| 5 | 2156566656 |
| 6 | 21543117605345 |
| 7 | 1081795451307347456 |
| 8 | 273019500242348456497329 |
| 9 | 346065491936438505902218920448 |
| 10 | 2201645604139293737199292995777020545 |
[1,2,33,2704,1082905,2156566656,21543117605345, 1081795451307347456,273019500242348456497329, 346065491936438505902218920448, 2201645604139293737199292995777020545] |