n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 80 |
4 | 4704 |
5 | 436992 |
6 | 58897920 |
7 | 10880501760 |
8 | 2640513576960 |
9 | 814928486400000 |
10 | 311763576754667520 |
11 | 144816978675459686400 |
12 | 80294888451877031116800 |
13 | 52385405443881146567884800 |
14 | 39727727942688305214337843200 |
15 | 34656123210118214086941474816000 |
[1,0,4,80,4704,436992,58897920,10880501760, 2640513576960,814928486400000,311763576754667520, 144816978675459686400,80294888451877031116800, 52385405443881146567884800, 39727727942688305214337843200, 34656123210118214086941474816000] |