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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 65 |
| 3 | 2673 |
| 4 | 397953 |
| 5 | 228882753 |
| 6 | 520970490625 |
| 7 | 4723480504289025 |
| 8 | 170687922720157732865 |
| 9 | 24563695027660686202250241 |
| 10 | 14068441356460459384918212890625 |
| 11 | 32058887942708146080692278858371608577 |
| 12 | 290694663888102785007861162394348756446314497 |
[1,5,65,2673,397953,228882753,520970490625, 4723480504289025,170687922720157732865, 24563695027660686202250241, 14068441356460459384918212890625, 32058887942708146080692278858371608577, 290694663888102785007861162394348756446314497] |