n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1024 |
3 | 59050 |
4 | 1049600 |
5 | 9824675 |
6 | 61515776 |
7 | 292299924 |
8 | 1135257600 |
9 | 3779084325 |
10 | 11135257600 |
11 | 29716508926 |
12 | 73052621824 |
13 | 167575000775 |
14 | 362307276800 |
15 | 744225391400 |
16 | 1461818904576 |
17 | 2760219291849 |
18 | 5032286131200 |
19 | 8891285549650 |
20 | 15272286131200 |
[0,1,1024,59050,1049600,9824675,61515776, 292299924,1135257600,3779084325,11135257600, 29716508926,73052621824,167575000775,362307276800, 744225391400,1461818904576,2760219291849, 5032286131200,8891285549650,15272286131200] |