# A152634 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 336000
10 3023712
11 29759040
12 314642496
13 3608470880
14 43346020032
15 570442056608
16 8160756625776