n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 48 |
4 | 3042 |
5 | 1067474 |
6 | 2215932130 |
7 | 29012104252380 |
8 | 2526293243761311036 |
9 | 1525710603023191548743988 |
10 | 6600334932211428773703751221040 |
11 | 209705652574790086852527310591449309624 |
12 | 49907101066058865036206450041083799915221352487 |
[0,1,4,48,3042,1067474,2215932130,29012104252380, 2526293243761311036,1525710603023191548743988, 6600334932211428773703751221040, 209705652574790086852527310591449309624, 49907101066058865036206450041083799915221352487] |