Number of dissections of an n-gon into polygons with odd number of sides counted up to rotations and reflections.
A290816
Number of dissections of an n-gon into polygons with odd number of sides counted up to rotations and reflections.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =23a(6) =65a(7) =223a(8) =757a(9) =2824a(10) =10559a(11) =40994a(12) =160734a(13) =641420a(14) =2584587a(15) =10528305a(16) =43237978a(17) =178974779a(18) =745814185a(19) =3127246179a(20) =13185588894a(21) =55878618492a(22) =237905685582
External references
- oeis: A290816