# A291879 (b-file synthesized from sequence entry)
0 1
1 8
2 6720
3 561120560
4 4557185891241984
5 3571558033324129373292768
6 269111599998006391761541640176800000
7 1945556482213500279178010210766074095827609600000
8 1347912754604769492992184400055703948513202427323999206349209600