# A068878 (b-file synthesized from sequence entry)
1 2
2 24
3 60
4 720
5 40320
6 181440
7 3628800
8 479001600
9 3113510400
10 87178291200
11 20922789888000
12 177843714048000
13 6402373705728000
14 2432902008176640000
15 25545471085854720000
16 1124000727777607680000
17 620448401733239439360000