Number of isomeric aza-benzenoids with seven nitrogen atoms.

A121975

Number of isomeric aza-benzenoids with seven nitrogen atoms.

Terms

    a(0) =2a(1) =100a(2) =2276a(3) =38500a(4) =525764a(5) =6229444a(6) =66405417a(7) =652844870a(8) =6018548260

External references