# A152359 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 4704
8 34704
9 283008
10 2615104
11 25406536
12 269613792
13 3173315528
14 40126715766
15 535750081166
16 7639943939072