The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7425 |
| 4 | 47324536875 |
| 5 | 25638858602403023525625 |
| 6 | 12884448481414473203775367576406984041875 |
| 7 | 115708032002378912987246508786002888051981871843289603877158640625 |
[1,3,7425,47324536875,25638858602403023525625, 12884448481414473203775367576406984041875, 11570803200237891298724650878600288805198187184328\ 9603877158640625] |