# A272167 (b-file synthesized from sequence entry)
1 1
2 4
3 864
4 17915904
5 57330892800000
6 41794220851200000000000
7 9635211808655307020697600000000000
8 931891782579353562478377930946353561600000000000
9 48457159197906991133853954271145046614004301737177907200000000000