n | a(n) |
---|---|
0 | 1 |
1 | 32 |
2 | 560 |
3 | 7040 |
4 | 70840 |
5 | 604352 |
6 | 4528832 |
7 | 30529280 |
8 | 188313180 |
9 | 1076484640 |
10 | 5759310304 |
11 | 29064224896 |
12 | 139226153920 |
13 | 636391492800 |
14 | 2787844780160 |
15 | 11748015743232 |
16 | 47774241056710 |
17 | 187997792512640 |
18 | 717605948122000 |
19 | 2662641484567680 |
20 | 9621587501598688 |
21 | 33916687860860288 |
[1,32,560,7040,70840,604352,4528832,30529280, 188313180,1076484640,5759310304,29064224896, 139226153920,636391492800,2787844780160, 11748015743232,47774241056710,187997792512640, 717605948122000,2662641484567680,9621587501598688, 33916687860860288] |