Number of dissections of a 2n-gon into polygons with even number of sides counted up to rotations and reflections.
A290722
Number of dissections of a 2n-gon into polygons with even number of sides counted up to rotations and reflections.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =13a(4) =48a(5) =238a(6) =1325a(7) =8297a(8) =54519a(9) =373363a(10) =2621872a(11) =18797682a(12) =136969519a(13) =1011903735a(14) =7564219361a(15) =57129086391a(16) =435394899361
External references
- oeis: A290722