# A091754 (b-file synthesized from sequence entry)
3 1
4 80
5 9520
6 1786400
7 493292800
8 189065676800
9 96179539456000
10 62739188255744000
11 51070871935283200000
12 50753775178192486400000
13 60478693661116393062400000
14 85121458839683971088384000000