# A006176 (b-file synthesized from sequence entry)
1 120
2 49500
3 55480000
4 75108093750
5 124667171985024
6 226899085942554400
7 453922674315047424000
8 954267187464733528198125
9 2112236210012497151219800000
10 4825706564405954731805322783552