n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 88 |
3 | 608 |
4 | 4160 |
5 | 28416 |
6 | 194048 |
7 | 1325056 |
8 | 9048064 |
9 | 61784064 |
10 | 421888000 |
11 | 2880831488 |
12 | 19671547904 |
13 | 134325731328 |
14 | 917233467392 |
15 | 6263261888512 |
16 | 42768227368960 |
17 | 292039723843584 |
18 | 1994171971796992 |
19 | 13617057983627264 |
[1,12,88,608,4160,28416,194048,1325056,9048064, 61784064,421888000,2880831488,19671547904, 134325731328,917233467392,6263261888512, 42768227368960,292039723843584,1994171971796992, 13617057983627264] |