# A115184 (b-file synthesized from sequence entry)
1 1
2 1
3 180
4 1512
5 25920
6 3991680
7 849139200
8 4311014400
9 1600593426432000
10 2146678242508800
11 576213633515520000
12 423033001181754163200
13 3034801964999540736000000
14 1329532289428370227200000