# A193435 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 96
4 1528
5 36720
6 1248560
7 57272320
8 3417283968
9 257711328000
10 23999961081600
11 2707648512307200
12 364172045286804480
13 57600985355595601920
14 10589369533424230348800
15 2239779182794304126976000
16 540207965396186411279155200