Number of isomeric aza-benzenoids with one nitrogen atom and n hexagons.

A121949

Number of isomeric aza-benzenoids with one nitrogen atom and n hexagons.

Terms

    a(0) =1a(1) =2a(2) =10a(3) =43a(4) =210a(5) =1026a(6) =5130a(7) =25770a(8) =130350a(9) =661458

External references