Number of isomers of polyhex hydrocarbons with C_(2v) symmetry with nineteen hexagons.

A120448

Number of isomers of polyhex hydrocarbons with C_(2v) symmetry with nineteen hexagons.

Terms

    a(0) =0a(1) =3a(2) =17a(3) =14a(4) =92a(5) =60a(6) =316a(7) =175a(8) =814a(9) =495a(10) =2323a(11) =1402a(12) =6037a(13) =3113a(14) =12851a(15) =6200a(16) =24710a(17) =11851a(18) =46152a(19) =18123a(20) =72151a(21) =18007a(22) =74547a(23) =8970a(24) =40141

External references