n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 126 |
3 | 1716 |
4 | 24310 |
5 | 352716 |
6 | 5200300 |
7 | 77558760 |
8 | 1166803110 |
9 | 17672631900 |
10 | 269128937220 |
11 | 4116715363800 |
12 | 63205303218876 |
13 | 973469712824056 |
14 | 15033633249770520 |
15 | 232714176627630544 |
16 | 3609714217008132870 |
17 | 56093138908331422716 |
18 | 873065282167813104916 |
[1,10,126,1716,24310,352716,5200300,77558760, 1166803110,17672631900,269128937220,4116715363800, 63205303218876,973469712824056,15033633249770520, 232714176627630544,3609714217008132870, 56093138908331422716,873065282167813104916] |