# A192983 (b-file synthesized from sequence entry)
1 1
2 4
3 24
4 264
5 5640
6 151200
7 5722920
8 282868992
9 18371308032
10 1504791561600
11 148978034686800
12 18007146260231040
13 2528615024682544512
14 426310052282058252672
15 81830910530970671616000
16 18305445786667543107072000
17 4570435510076312321728158720