n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 34 |
4 | 488 |
5 | 10512 |
6 | 316224 |
7 | 12649104 |
8 | 649094752 |
9 | 41568338240 |
10 | 3249938294656 |
11 | 304670810708736 |
12 | 33736950933298688 |
13 | 4356802177994094080 |
14 | 649031480783423250432 |
15 | 110477935456564190447616 |
16 | 21310050396755400705088512 |
17 | 4623833701942527407032074240 |
[1,1,4,34,488,10512,316224,12649104,649094752, 41568338240,3249938294656,304670810708736, 33736950933298688,4356802177994094080, 649031480783423250432,110477935456564190447616, 21310050396755400705088512, 4623833701942527407032074240] |