n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 36 |
3 | 664 |
4 | 21276 |
5 | 1050664 |
6 | 73939356 |
7 | 7024817944 |
8 | 866058563196 |
9 | 134419597387144 |
10 | 25644210185987676 |
11 | 5897980691609567224 |
12 | 1609292585008090909116 |
13 | 513950106691675965931624 |
14 | 189914985024774644611299996 |
[1,4,36,664,21276,1050664,73939356,7024817944, 866058563196,134419597387144,25644210185987676, 5897980691609567224,1609292585008090909116, 513950106691675965931624, 189914985024774644611299996] |