# A052277 (b-file synthesized from sequence entry)
0 1
1 90
2 113400
3 681080400
4 12504636144000
5 548828480360160000
6 49229914688306352000000
7 8094874872198213459360000000
8 2252447502438386084347676160000000
9 997586474354936812896742294502400000000
10 669959124447288464805194190141921792000000000