# A032070 (b-file synthesized from sequence entry)
1 3
2 6
3 54
4 864
5 12960
6 252720
7 5307120
8 130636800
9 3527193600
10 106697606400
11 3521021011200
12 127105948569600
13 4957131994214400
14 208390202679859200
15 9377559120593664000
16 450260112212951040000