The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 3456 |
| 3 | 432000 |
| 4 | 1185408000 |
| 5 | 32006016000 |
| 6 | 42600007296000 |
| 7 | 93592216029312000 |
| 8 | 5989901825875968 |
| 9 | 735709691763215769600 |
| 10 | 25231163879019484818432000 |
| 11 | 25231163879019484818432000 |
| 12 | 306987570916030071785862144000 |
[16,3456,432000,1185408000,32006016000, 42600007296000,93592216029312000,5989901825875968, 735709691763215769600,25231163879019484818432000, 25231163879019484818432000, 306987570916030071785862144000] |