n | a(n) |
---|---|
1 | 4 |
2 | 80 |
3 | 2688 |
4 | 132864 |
5 | 8647680 |
6 | 699678720 |
7 | 67711795200 |
8 | 7629571031040 |
9 | 981168437329920 |
10 | 141817953779712000 |
11 | 22760391875493888000 |
12 | 4016046336733347840000 |
13 | 772743693378451931136000 |
14 | 161027573368536472485888000 |
15 | 36127883615009765477842944000 |
[4,80,2688,132864,8647680,699678720,67711795200, 7629571031040,981168437329920,141817953779712000, 22760391875493888000,4016046336733347840000, 772743693378451931136000, 161027573368536472485888000, 36127883615009765477842944000] |