# A052599 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 54
4 480
5 5280
6 69840
7 1078560
8 19031040
9 377758080
10 8331724800
11 202138675200
12 5349968870400
13 153396430387200
14 4736570917478400
15 156702542540544000
16 5529893367398400000
17 207341583834857472000