# A179563 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 48
5 576
6 13824
7 497664
8 23887872
9 1433272320
10 171992678400
11 30958682112000
12 7430083706880000
13 2674830134476800000
14 1925877696823296000000
15 1617737265331568640000000