Number of free planar polyenoids with 2n nodes and symmetry point group C_{2h}.
A000935
Number of free planar polyenoids with 2n nodes and symmetry point group C_{2h}.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =7a(4) =20a(5) =63a(6) =191a(7) =598a(8) =1870a(9) =5906
External references
- oeis: A000935