n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 16 |
3 | 436 |
4 | 3200 |
5 | 78004 |
6 | 675808 |
7 | 15919320 |
8 | 150266880 |
9 | 3450748180 |
10 | 34461586016 |
11 | 774842070600 |
12 | 8061900244736 |
13 | 178065876017176 |
14 | 1912172640160960 |
15 | 41596867935469936 |
16 | 458156035085377536 |
[0,4,16,436,3200,78004,675808,15919320,150266880, 3450748180,34461586016,774842070600,8061900244736, 178065876017176,1912172640160960, 41596867935469936,458156035085377536] |