n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 504 |
8 | 32256 |
9 | 1460592 |
10 | 59814720 |
11 | 2403157680 |
12 | 98055619200 |
13 | 4129943329512 |
14 | 180976836968928 |
15 | 8281570545448200 |
16 | 396324506640142080 |
17 | 19840151844921504096 |
18 | 1038497761573246945152 |
19 | 56790713866712335971552 |
20 | 3241264004352759793685760 |
[0,0,0,0,0,0,0,504,32256,1460592,59814720, 2403157680,98055619200,4129943329512, 180976836968928,8281570545448200, 396324506640142080,19840151844921504096, 1038497761573246945152,56790713866712335971552, 3241264004352759793685760] |