n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 48 |
3 | 832 |
4 | 19200 |
5 | 553984 |
6 | 19181568 |
7 | 774848512 |
8 | 35771842560 |
9 | 1857882947584 |
10 | 107214340620288 |
11 | 6805814291464192 |
12 | 471298297319915520 |
13 | 35356865248765149184 |
14 | 2856513752723261227008 |
15 | 247264693517100223823872 |
16 | 22830563015939200206766080 |
17 | 2239752722978295095737974784 |
[1,4,48,832,19200,553984,19181568,774848512, 35771842560,1857882947584,107214340620288, 6805814291464192,471298297319915520, 35356865248765149184,2856513752723261227008, 247264693517100223823872, 22830563015939200206766080, 2239752722978295095737974784] |