# A035815 (b-file synthesized from sequence entry)
0 1
1 120
2 7200
3 288040
4 8644800
5 207648024
6 4158723680
7 71440725960
8 1074729932160
9 14385297437880
10 173483353200288
11 1904315460088680
12 19187724061887040
13 178728796729801560
14 1548407735451345120