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| n | a(n) |
|---|---|
| 3 | 40 |
| 4 | 17290 |
| 5 | 10876248 |
| 6 | 3744973114 |
| 7 | 813350278400 |
| 8 | 99052072571820 |
| 9 | 6469138147152688 |
| 10 | 243231208764113056 |
| 11 | 5871649032381652712 |
| 12 | 99740686767840133850 |
| 13 | 1277236022721642074168 |
| 14 | 12978098074693925323078 |
[40,17290,10876248,3744973114,813350278400, 99052072571820,6469138147152688, 243231208764113056,5871649032381652712, 99740686767840133850,1277236022721642074168, 12978098074693925323078] |