n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 28 |
3 | 256 |
4 | 2848 |
5 | 37024 |
6 | 547936 |
7 | 9064192 |
8 | 165339904 |
9 | 3290839552 |
10 | 70870959616 |
11 | 1640130678784 |
12 | 40555349598208 |
13 | 1066271901822976 |
14 | 29684252411219968 |
15 | 871864036043259904 |
16 | 26931181039027879936 |
17 | 872418396180001718272 |
18 | 29564373329109844885504 |
[1,4,28,256,2848,37024,547936,9064192,165339904, 3290839552,70870959616,1640130678784, 40555349598208,1066271901822976,29684252411219968, 871864036043259904,26931181039027879936, 872418396180001718272,29564373329109844885504] |