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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 16 |
| 2 | 600 |
| 3 | 112896 |
| 4 | 108928800 |
| 5 | 544431476736 |
| 6 | 14105702277360000 |
| 7 | 1900051576637594075136 |
| 8 | 1328360485647389567734080000 |
| 9 | 4830166933124609654538067824869376 |
| 10 | 91168969237139220357818392868757600000000 |
| 11 | 8950497893393998236587417126220897399198550327296 |
[2,16,600,112896,108928800,544431476736, 14105702277360000,1900051576637594075136, 1328360485647389567734080000, 4830166933124609654538067824869376, 91168969237139220357818392868757600000000, 8950497893393998236587417126220897399198550327296] |