n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 5040 |
8 | 40320 |
9 | 181440 |
10 | 604800 |
11 | 1663200 |
12 | 3991680 |
13 | 8648640 |
14 | 17297280 |
15 | 32432400 |
16 | 57657600 |
17 | 98017920 |
18 | 160392960 |
19 | 253955520 |
20 | 390700800 |
21 | 586051200 |
22 | 859541760 |
23 | 1235591280 |
24 | 1744364160 |
25 | 2422728000 |
26 | 3315312000 |
27 | 4475671200 |
28 | 5967561600 |
29 | 7866331200 |
[0,0,0,0,0,0,0,5040,40320,181440,604800,1663200, 3991680,8648640,17297280,32432400,57657600, 98017920,160392960,253955520,390700800,586051200, 859541760,1235591280,1744364160,2422728000, 3315312000,4475671200,5967561600,7866331200] |