# A094330 (b-file synthesized from sequence entry)
1 1
2 3
3 40
4 1260
5 72072
6 6511680
7 852508800
8 152512113600
9 35730097603200
10 10613749905158400
11 3897631650008678400
12 1733625189541076832000
13 918381625086037787136000
14 571320549624154764994560000