# A354378 (b-file synthesized from sequence entry)
0 1
1 2
2 24
3 720
4 8064
5 3628800
6 479001600
7 87178291200
8 20922789888000
9 1280474741145600
10 2432902008176640000
11 1124000727777607680000
12 620448401733239439360000
13 403291461126605635584000000
14 60977668922342772100300800000
15 1569543549184562477137920000000