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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 72 |
| 3 | 513216 |
| 4 | 32888512512 |
| 5 | 9533482907040000 |
| 6 | 8847761079996449869824 |
| 7 | 21208372916660000240980156416 |
| 8 | 113213233958373606470630646183100416 |
| 9 | 1207239247177959014882917182089160500772864 |
| 10 | 23666053579636080857947549887288559867984281600000 |
| 11 | 798864336553999630278687419827388750256212948228373479424 |
[1,72,513216,32888512512,9533482907040000, 8847761079996449869824, 21208372916660000240980156416, 113213233958373606470630646183100416, 1207239247177959014882917182089160500772864, 23666053579636080857947549887288559867984281600000\ , 79886433655399963027868741982738875025621294822837\ 3479424] |