# A294352 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 160
4 10400
5 3390400
6 6635012800
7 90899675360000
8 9962695319131360000
9 9827302289744364817600000
10 96937502343569678741652977600000
11 10518214548789290471667075399621491200000
12 13695360582395151673134516587047571322777664000000