| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 809 |
| 3 | 17696929 |
| 4 | 29148363745769 |
| 5 | 13802156299837263870439 |
| 6 | 51192911535225069982129975520643227 |
| 7 | 15505058537999075182938597423297191148526445182931 |
| 8 | 25740819838475027138304706528711851561870640774224535090837 |
[0,1,809,17696929,29148363745769, 13802156299837263870439, 51192911535225069982129975520643227, 15505058537999075182938597423297191148526445182931\ , 25740819838475027138304706528711851561870640774224\ 535090837] |