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| n | a(n) |
|---|---|
| 2 | 150 |
| 3 | 22680 |
| 4 | 2596608 |
| 5 | 273322980 |
| 6 | 27558217008 |
| 7 | 2700777267972 |
| 8 | 259275295383552 |
| 9 | 24501521550788100 |
| 10 | 2286808732032093360 |
| 11 | 211301127303186249252 |
| 12 | 19362866942233277773632 |
| 13 | 1762020891775616889450852 |
| 14 | 159395120671659354639719856 |
| 15 | 14345560860451487040265198020 |
[150,22680,2596608,273322980,27558217008, 2700777267972,259275295383552,24501521550788100, 2286808732032093360,211301127303186249252, 19362866942233277773632,1762020891775616889450852, 159395120671659354639719856, 14345560860451487040265198020] |