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| n | a(n) |
|---|---|
| 1 | 560 |
| 2 | 4090071480 |
| 3 | 29860802042948800 |
| 4 | 218007803276760596488520 |
| 5 | 1591631806178550455562538466640 |
| 6 | 11620188673811755515268615201727379160 |
| 7 | 84836696710140620657577957851546090689242080 |
| 8 | 619375925014776443389412658082968133380998230391400 |
[560,4090071480,29860802042948800, 218007803276760596488520, 1591631806178550455562538466640, 11620188673811755515268615201727379160, 84836696710140620657577957851546090689242080, 61937592501477644338941265808296813338099823039140\ 0] |