# A152696 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 362880
10 3421440
11 35166240
12 389352960
13 4691481888
14 60558135040
15 843695759904
16 12332831057536