n | a(n) |
---|---|
0 | 1 |
1 | 30 |
2 | 3870 |
3 | 698880 |
4 | 146881350 |
5 | 33664290660 |
6 | 8161119046080 |
7 | 2057838873742080 |
8 | 534207274296708870 |
9 | 141819633092233024500 |
10 | 38325111684989079770820 |
11 | 10507683011039968126464000 |
12 | 2915637485437466384104036800 |
13 | 817228372649330361131497411200 |
[1,30,3870,698880,146881350,33664290660, 8161119046080,2057838873742080,534207274296708870, 141819633092233024500,38325111684989079770820, 10507683011039968126464000, 2915637485437466384104036800, 817228372649330361131497411200] |