# A082681 (b-file synthesized from sequence entry)
1 1
2 6
3 60
4 2520
5 20020
6 1627920
7 124324200
8 1694579040
9 446626220040
10 73706596563600
11 35444732266944
12 24569517992362200
13 3290057629552053360
14 551042196782556679200
15 71028805196838414285360