# A052570 (b-file synthesized from sequence entry)
0 0
1 1
2 8
3 96
4 1536
5 30720
6 737280
7 20643840
8 660602880
9 23781703680
10 951268147200
11 41855798476800
12 2009078326886400
13 104472072998092800
14 5850436087893196800
15 351026165273591808000
16 22465674577509875712000