Numbers of isomers of unbranched a-4-catapolyoctagons - see Brunvoll reference for precise definition.

A121146

Numbers of isomers of unbranched a-4-catapolyoctagons - see Brunvoll reference for precise definition.

Terms

    a(0) =1a(1) =4a(2) =16a(3) =84a(4) =465a(5) =2714a(6) =15732a(7) =90934a(8) =520105

External references