Number of nonequivalent dissections of an n-gon by nonintersecting diagonals rooted at a cell up to rotation.

A003454

Number of nonequivalent dissections of an n-gon by nonintersecting diagonals rooted at a cell up to rotation.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =25a(4) =107a(5) =509a(6) =2468a(7) =12258a(8) =61797a(9) =315830a(10) =1630770a(11) =8498303a(12) =44629855a(13) =235974495a(14) =1255105304a(15) =6710883952a(16) =36050676617a(17) =194478962422

External references