n | a(n) |
---|---|
0 | 1 |
1 | 48 |
2 | 1412 |
3 | 34400 |
4 | 766416 |
5 | 16296448 |
6 | 337709632 |
7 | 6896540160 |
8 | 139644851456 |
9 | 2813500878848 |
10 | 56517475402752 |
11 | 1133320271749120 |
12 | 22702062218039296 |
13 | 454469171469877248 |
14 | 9094518828981174272 |
15 | 181952003020274401280 |
[1,48,1412,34400,766416,16296448,337709632, 6896540160,139644851456,2813500878848, 56517475402752,1133320271749120,22702062218039296, 454469171469877248,9094518828981174272, 181952003020274401280] |