n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 4 |
4 | 32 |
5 | 96 |
6 | 512 |
7 | 1856 |
8 | 8576 |
9 | 33792 |
10 | 147456 |
11 | 602112 |
12 | 2566144 |
13 | 10637312 |
14 | 44892160 |
15 | 187269120 |
16 | 787087360 |
17 | 3292069888 |
18 | 13812760576 |
19 | 57837355008 |
20 | 242497880064 |
21 | 1015868817408 |
22 | 4258009186304 |
23 | 17841063460864 |
24 | 74771320537088 |
25 | 313317428035584 |
[0,2,4,32,96,512,1856,8576,33792,147456,602112, 2566144,10637312,44892160,187269120,787087360, 3292069888,13812760576,57837355008,242497880064, 1015868817408,4258009186304,17841063460864, 74771320537088,313317428035584] |