# A152697 (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 3456000
11 35576640
12 391828608
13 4689764832
14 59951832064
15 817642441280
16 12096591891520