n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 18 |
4 | 733 |
5 | 170440 |
6 | 239035502 |
7 | 1436110601256 |
8 | 36028815364865610 |
9 | 3731252530927004638384 |
10 | 1584563250299991004659308752 |
11 | 2746338834266357074512496613490144 |
12 | 19358285762613388346374725943958077888688 |
13 | 553468075675608205710323628035216140349636855680 |
[1,4,18,733,170440,239035502,1436110601256, 36028815364865610,3731252530927004638384, 1584563250299991004659308752, 2746338834266357074512496613490144, 19358285762613388346374725943958077888688, 553468075675608205710323628035216140349636855680] |