n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 42 |
6 | 1430 |
7 | 742900 |
8 | 24466267020 |
9 | 812944042149730764 |
10 | 1759414616608818870992479875972 |
11 | 254224158304000796523953440778841647086547372026600 |
12 | 161115593562260183597018076262500259385225118963936327496691227156776984827584194180 |
[1,1,1,2,5,42,1430,742900,24466267020, 812944042149730764, 1759414616608818870992479875972, 25422415830400079652395344077884164708654737202660\ 0, 16111559356226018359701807626250025938522511896393\ 6327496691227156776984827584194180] |