n | a(n) |
---|---|
1 | 0 |
2 | 15 |
3 | 3360 |
4 | 749280 |
5 | 167086095 |
6 | 37259449920 |
7 | 8308690246080 |
8 | 1852800665425935 |
9 | 413166239699737440 |
10 | 92134218652376023200 |
11 | 20545517593240153436175 |
12 | 4581558289073901840243840 |
13 | 1021666952945886870220940160 |
[0,15,3360,749280,167086095,37259449920, 8308690246080,1852800665425935,413166239699737440, 92134218652376023200,20545517593240153436175, 4581558289073901840243840, 1021666952945886870220940160] |