n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 82 |
4 | 1856 |
5 | 59904 |
6 | 2533888 |
7 | 133169152 |
8 | 8384643072 |
9 | 616038400000 |
10 | 51781055676416 |
11 | 4903194794655744 |
12 | 516634816527990784 |
13 | 59967828129860288512 |
14 | 7604226293760000000000 |
15 | 1046004175955626414833664 |
16 | 155145294199098982239567872 |
17 | 24683771056652857103433596928 |
18 | 4193546668531304927540807729152 |
19 | 757730637305085952000000000000000 |
[1,1,6,82,1856,59904,2533888,133169152,8384643072, 616038400000,51781055676416,4903194794655744, 516634816527990784,59967828129860288512, 7604226293760000000000,1046004175955626414833664, 155145294199098982239567872, 24683771056652857103433596928, 4193546668531304927540807729152, 757730637305085952000000000000000] |