n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 56 |
4 | 2192 |
5 | 128448 |
6 | 11141824 |
7 | 1332816512 |
8 | 210250492160 |
9 | 42290401757184 |
10 | 10563624419906560 |
11 | 3208072210301966336 |
12 | 1164053448822395604992 |
13 | 497366043438147538010112 |
14 | 247165485059674632625438720 |
[1,0,4,56,2192,128448,11141824,1332816512, 210250492160,42290401757184,10563624419906560, 3208072210301966336,1164053448822395604992, 497366043438147538010112, 247165485059674632625438720] |