n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 108 |
4 | 3240 |
5 | 136080 |
6 | 7348320 |
7 | 484989120 |
8 | 37829151360 |
9 | 3404623622400 |
10 | 347271609484800 |
11 | 39588963481267200 |
12 | 4988209398639667200 |
13 | 688372897012274073600 |
14 | 103255934551841111040000 |
15 | 16727461397398259988480000 |
16 | 2910578283147297237995520000 |
17 | 541367560665397286267166720000 |
18 | 107190777011748662680899010560000 |
19 | 22510063172467219162988792217600000 |
[1,6,108,3240,136080,7348320,484989120, 37829151360,3404623622400,347271609484800, 39588963481267200,4988209398639667200, 688372897012274073600,103255934551841111040000, 16727461397398259988480000, 2910578283147297237995520000, 541367560665397286267166720000, 107190777011748662680899010560000, 22510063172467219162988792217600000] |