n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 4 |
4 | 26 |
5 | 296 |
6 | 6064 |
7 | 230896 |
8 | 16886864 |
9 | 2423185664 |
10 | 687883494016 |
11 | 387139470010624 |
12 | 432380088071584256 |
13 | 959252253993204724736 |
14 | 4231267540316814507357184 |
15 | 37138269572860613284747227136 |
16 | 649037449132671895468073434916864 |
17 | 22596879313063804832510513481261154304 |
[0,0,1,4,26,296,6064,230896,16886864,2423185664, 687883494016,387139470010624,432380088071584256, 959252253993204724736,4231267540316814507357184, 37138269572860613284747227136, 649037449132671895468073434916864, 22596879313063804832510513481261154304] |