# A152631 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 339840
10 3151872
11 31926528
12 352423488
13 4218592000
14 54510747424
15 758539165904
16 11240098648736