n | a(n) |
---|---|
2 | 2 |
3 | 6 |
4 | 24 |
5 | 88 |
6 | 288 |
7 | 864 |
8 | 2432 |
9 | 6528 |
10 | 16896 |
11 | 42496 |
12 | 104448 |
13 | 251904 |
14 | 598016 |
15 | 1400832 |
16 | 3244032 |
17 | 7438336 |
18 | 16908288 |
19 | 38141952 |
20 | 85458944 |
21 | 190316544 |
22 | 421527552 |
23 | 929038336 |
24 | 2038431744 |
25 | 4454350848 |
26 | 9697230848 |
27 | 21038628864 |
28 | 45499809792 |
29 | 98113159168 |
30 | 210990268416 |
[2,6,24,88,288,864,2432,6528,16896,42496,104448, 251904,598016,1400832,3244032,7438336,16908288, 38141952,85458944,190316544,421527552,929038336, 2038431744,4454350848,9697230848,21038628864, 45499809792,98113159168,210990268416] |