# A147794 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 120
4 40456
5 14354709112
6 10145806838546891496456
7 43814454551364119293851205505402899467594454136
8 12230705010706858303154182089533811056819321112988144670126813673854225371091425006635639297686024