n | a(n) |
---|---|
1 | 2 |
2 | 64 |
3 | 1472 |
4 | 33856 |
5 | 772800 |
6 | 17640000 |
7 | 402494400 |
8 | 9183772224 |
9 | 209543184576 |
10 | 4781079618624 |
11 | 109088244863424 |
12 | 2489028863068224 |
13 | 56791310102324928 |
14 | 1295787666826276416 |
15 | 29565538631067860928 |
16 | 674586660240498844224 |
[2,64,1472,33856,772800,17640000,402494400, 9183772224,209543184576,4781079618624, 109088244863424,2489028863068224, 56791310102324928,1295787666826276416, 29565538631067860928,674586660240498844224] |