# A122222 (b-file synthesized from sequence entry)
2 2
3 96
4 291456
5 18656179200
6 17668969095168000
7 67095201210572537856000000
8 6721833410207820593461922365440000000
9 75658161802407509372174837302453333917696000000000
10 365526772920711815200262962616603688918661180831039488000000000000