Number of distinct (modulo rotation) unicursal star polygons (not necessarily regular, no edge joins adjacent vertices) that can be formed by connecting the vertices of a regular n-gon.
A231091
Number of distinct (modulo rotation) unicursal star polygons (not necessarily regular, no edge joins adjacent vertices) that can be formed by connecting the vertices of a regular n-gon.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =5a(7) =27a(8) =175a(9) =1533a(10) =14361a(11) =151575a(12) =1735869a(13) =21594863a(14) =289365383a(15) =4158887007a(16) =63822480809
External references
- oeis: A231091