n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 2 |
4 | 6 |
5 | 0 |
6 | 0 |
7 | 2196 |
8 | 37004 |
9 | 0 |
10 | 0 |
11 | 2317631400 |
12 | 216893681800 |
13 | 0 |
14 | 0 |
15 | 2326335506123418128 |
16 | 1208982377794384163088 |
17 | 0 |
18 | 0 |
19 | 2220650888749669503773432361504 |
20 | 6408743336016148761893699822360672 |
21 | 0 |
22 | 0 |
23 | 2015895925780490675949731718780144934779733312 |
[1,0,0,2,6,0,0,2196,37004,0,0,2317631400, 216893681800,0,0,2326335506123418128, 1208982377794384163088,0,0, 2220650888749669503773432361504, 6408743336016148761893699822360672,0,0, 2015895925780490675949731718780144934779733312] |