# A224497 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 2
6 12
7 12
8 96
9 288
10 5760
11 5760
12 829440
13 829440
14 46448640
15 2090188800
16 267544166400
17 267544166400
18 346737239654400
19 346737239654400
20 1109559166894080000
21 209706682542981120000
22 73816752255129354240000
23 73816752255129354240000