Number of combinatorial types of achiral n-dimensional polytopes with n+3 vertices, where a polytope is achiral if one of its geometric realizations has a reflection-symmetry.

A114291

Number of combinatorial types of achiral n-dimensional polytopes with n+3 vertices, where a polytope is achiral if one of its geometric realizations has a reflection-symmetry.

Terms

    a(0) =0a(1) =1a(2) =7a(3) =24a(4) =62a(5) =141a(6) =287a(7) =561a(8) =1035a(9) =1886a(10) =3319a(11) =5838a(12) =10030a(13) =17323a(14) =29395a(15) =50291a(16) =84795a(17) =144374a(18) =242641a(19) =412126a(20) =691522a(21) =1173151a(22) =1966929a(23) =3334931a(24) =5589311a(25) =9474106a(26) =15875699a(27) =26906538a(28) =45083426a(29) =76404103

External references