# A055929 (b-file synthesized from sequence entry)
1 1
2 2
3 32
4 1152
5 8294400
6 1194393600
7 64210599936000
8 20804234379264000
9 4229084764616785920000
10 1396531754239566739931136000000
11 1256878578815610065938022400000000