Log of g.f. of numbers of preferential arrangements.

A006989

Log of g.f. of numbers of preferential arrangements.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =4a(4) =34a(5) =196a(6) =1826a(7) =17172a(8) =199074a(9) =2510116a(10) =35862562a(11) =559572916a(12) =9577862306a(13) =177417693636

External references