n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 45 |
3 | 1260 |
4 | 51975 |
5 | 2837835 |
6 | 192972780 |
7 | 15713497800 |
8 | 1490818103775 |
9 | 161505294575625 |
10 | 19671344879311125 |
11 | 2660996470946814000 |
12 | 395823225053338582500 |
13 | 64214706279807005422500 |
14 | 11283441246308945238525000 |
15 | 2134827083801652439128930000 |
[1,3,45,1260,51975,2837835,192972780,15713497800, 1490818103775,161505294575625,19671344879311125, 2660996470946814000,395823225053338582500, 64214706279807005422500, 11283441246308945238525000, 2134827083801652439128930000] |