The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 3 | 193 |
| 4 | 19079 |
| 5 | 1823013184807 |
| 6 | 324494495853101147203936847 |
| 7 | 16085434555484907108254435283952049 |
| 8 | 255525859571903290673264616283734506003204622439226993660213169027169 |
[2,7,193,19079,1823013184807, 324494495853101147203936847, 16085434555484907108254435283952049, 25552585957190329067326461628373450600320462243922\ 6993660213169027169] |