Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals rooted at a cell up to rotation.
A295622
Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals rooted at a cell up to rotation.
Terms
- a(0) =3a(1) =11a(2) =24a(3) =46a(4) =75a(5) =117a(6) =168a(7) =236a(8) =315a(9) =415a(10) =528a(11) =666a(12) =819a(13) =1001a(14) =1200a(15) =1432a(16) =1683a(17) =1971a(18) =2280a(19) =2630a(20) =3003a(21) =3421a(22) =3864a(23) =4356a(24) =4875a(25) =5447a(26) =6048a(27) =6706a(28) =7395a(29) =8145
External references
- oeis: A295622