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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 364 |
| 4 | 2420113 |
| 5 | 2188482014 |
| 6 | 2468313810280 |
| 7 | 2142967506078650 |
| 8 | 1939585877435608615 |
| 9 | 1666732821075006620356 |
| 10 | 1442175413154162238317806 |
[0,0,364,2420113,2188482014,2468313810280, 2142967506078650,1939585877435608615, 1666732821075006620356,1442175413154162238317806] |