The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 8 |
| 8 | 12346 |
| 9 | 53304527811667897248 |
| 10 | 453456943706240925312368435237969462391555337386758635520 |
[1,1,1,1,1,1,2,8,12346,53304527811667897248, 45345694370624092531236843523796946239155533738675\ 8635520] |