# A364688 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 6
4 696
5 6720
6 39840
7 184800
8 736512
9 2644992
10 8801280
11 27624960
12 82790400
13 238977024
14 668688384
15 1822679040
16 4858183680
17 12700876800
18 32647938048
19 82682707968
20 206650736640
21 510425825280
22 1247438438400
23 3019527684096
24 7245593051136
25 17248655769600