n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 48 |
5 | 1440 |
6 | 414720 |
7 | 4180377600 |
8 | 13869489586176000 |
9 | 521817332305350780518400000 |
10 | 72373400562952038729626622187536384000000000 |
11 | 415422642927888257689749131592471020852730170822782196121600000000000000 |
[1,1,2,6,48,1440,414720,4180377600, 13869489586176000,521817332305350780518400000, 72373400562952038729626622187536384000000000, 41542264292788825768974913159247102085273017082278\ 2196121600000000000000] |