n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 32 |
3 | 472 |
4 | 6400 |
5 | 92504 |
6 | 1351616 |
7 | 20060016 |
8 | 300533760 |
9 | 4537591960 |
10 | 68923172032 |
11 | 1052049834576 |
12 | 16123800489472 |
13 | 247959271674352 |
14 | 3824345280321920 |
15 | 59132290859989472 |
16 | 916312070170755072 |
[0,4,32,472,6400,92504,1351616,20060016,300533760, 4537591960,68923172032,1052049834576, 16123800489472,247959271674352,3824345280321920, 59132290859989472,916312070170755072] |