n | a(n) |
---|---|
0 | 1 |
1 | 64 |
2 | 1984 |
3 | 39680 |
4 | 575424 |
5 | 6448000 |
6 | 58115328 |
7 | 433131008 |
8 | 7019874240 |
9 | 14709082432 |
10 | 206518750336 |
11 | 285848172800 |
12 | 3185272407296 |
13 | 3515371815296 |
14 | 32146948928000 |
15 | 30156949879296 |
16 | 238103408854976 |
17 | 197101549419648 |
18 | 1393386325958336 |
19 | 1045365667116800 |
20 | 6768246939487360 |
[1,64,1984,39680,575424,6448000,58115328, 433131008,7019874240,14709082432,206518750336, 285848172800,3185272407296,3515371815296, 32146948928000,30156949879296,238103408854976, 197101549419648,1393386325958336,1045365667116800, 6768246939487360] |