# A152644 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 343680
10 3210336
11 32428512
12 359501856
13 4409024192
14 56394389456
15 777561149096
16 11557514999280