n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 56 |
3 | 10864 |
4 | 408855776 |
5 | 579069776145402304 |
6 | 1161588808526051807570761628582646656 |
7 | 4674072680304961790168962360144614650442718636276775741658113370728376064 |
[1,4,56,10864,408855776,579069776145402304, 1161588808526051807570761628582646656, 46740726803049617901689623601446146504427186362767\ 75741658113370728376064] |