n | a(n) |
---|---|
0 | 2 |
1 | 4 |
2 | 12 |
3 | 80 |
4 | 3984 |
5 | 37333248 |
6 | 25626412338274304 |
7 | 67516342973185974328175690087661568 |
8 | 2871827610052485009904013737758920847669809829897636746529411152822140928 |
[2,4,12,80,3984,37333248,25626412338274304, 67516342973185974328175690087661568, 28718276100524850099040137377589208476698098298976\ 36746529411152822140928] |