n | a(n) |
---|---|
1 | 1 |
2 | 35 |
3 | 210 |
4 | 30030 |
5 | 12012 |
6 | 1293292 |
7 | 6466460 |
8 | 743642900 |
9 | 6692786100 |
10 | 6016814703900 |
11 | 12033629407800 |
12 | 63606326869800 |
13 | 63606326869800 |
14 | 784965679900201800 |
15 | 784965679900201800 |
16 | 258253708687166392200 |
17 | 19865669899012799400 |
18 | 31905469837808435400 |
19 | 31905469837808435400 |
20 | 114827785946272559004600 |
[1,35,210,30030,12012,1293292,6466460,743642900, 6692786100,6016814703900,12033629407800, 63606326869800,63606326869800,784965679900201800, 784965679900201800,258253708687166392200, 19865669899012799400,31905469837808435400, 31905469837808435400,114827785946272559004600] |