# A052654 (b-file synthesized from sequence entry)
0 1
1 5
2 42
3 510
4 8184
5 163800
6 3931920
7 110098800
8 3523201920
9 126835632000
10 5073428908800
11 223230911904000
12 10715084250393600
13 557184387247488000
14 31202325773037619200
15 1872139547689931520000
16 119816931073078407168000