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| n | a(n) |
|---|---|
| 1 | 48 |
| 2 | 19448 |
| 3 | 2046700 |
| 4 | 219597458 |
| 5 | 24945468636 |
| 6 | 2824295623804 |
| 7 | 319646954776850 |
| 8 | 36234058732024820 |
| 9 | 4107330198377776652 |
| 10 | 465585399247158982768 |
| 11 | 52778440824390526548132 |
| 12 | 5982947009339446194736266 |
[48,19448,2046700,219597458,24945468636, 2824295623804,319646954776850,36234058732024820, 4107330198377776652,465585399247158982768, 52778440824390526548132,5982947009339446194736266] |