# A078973 (b-file synthesized from sequence entry)
1 2
2 6
3 36
4 420
5 9800
6 452760
7 41835024
8 7691667984
9 2828336198688
10 2073619375892064
11 3040584296923128384
12 8898500292240756664896
13 52084270468105185237918848
14 608812309050346291991694422400