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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 4096 |
| 3 | 262144 |
| 4 | 15625000 |
| 5 | 895841344 |
| 6 | 49592666024 |
| 7 | 2667113508032 |
| 8 | 139935778112213 |
| 9 | 7186822291592000 |
| 10 | 362265820143636032 |
| 11 | 17961591171915325376 |
| 12 | 877543597755135835875 |
| 13 | 42310735131943068552000 |
[64,4096,262144,15625000,895841344,49592666024, 2667113508032,139935778112213,7186822291592000, 362265820143636032,17961591171915325376, 877543597755135835875,42310735131943068552000] |