| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 10 |
| 3 | 2568 |
| 4 | 32455296 |
| 5 | 33171803873280 |
| 6 | 4092783209652289536000 |
| 7 | 85191758794180067056209100800000 |
| 8 | 398579307845175105508944536142159544320000000 |
| 9 | 538664594626853888213693114387037430238145253736448000000000 |
| 10 | 262763300482667111090711396658972748636113942776939213363557171200000000000000 |
[1,1,10,2568,32455296,33171803873280, 4092783209652289536000, 85191758794180067056209100800000, 398579307845175105508944536142159544320000000, 53866459462685388821369311438703743023814525373644\ 8000000000, 26276330048266711109071139665897274863611394277693\ 9213363557171200000000000000] |