n | a(n) |
---|---|
0 | 2 |
1 | 4 |
2 | 36 |
3 | 4704 |
4 | 23400000 |
5 | 7778123781120 |
6 | 245221791787632844800 |
7 | 980866487456532919096049664000 |
8 | 647456833933936977045736601678008811520000 |
9 | 89423837415458106416291101560480526982914768896000000000 |
[2,4,36,4704,23400000,7778123781120, 245221791787632844800, 980866487456532919096049664000, 647456833933936977045736601678008811520000, 89423837415458106416291101560480526982914768896000\ 000000] |