# A082787 (b-file synthesized from sequence entry)
1 2
2 60
3 6720
4 1663200
5 726485760
6 494010316800
7 482718652416000
8 641171050071552000
9 1111363153457356800000
10 2436552577639909048320000
11 6591982246414881207091200000
12 21572261901392698750205952000000
13 83992431415453295380032651264000000
14 383725422380885198036206312488960000000