Nonisomorphic catacondensed monoheptabenzenoids (see reference for precise definition).

A121076

Nonisomorphic catacondensed monoheptabenzenoids (see reference for precise definition).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =13a(4) =56a(5) =231a(6) =999a(7) =4276a(8) =18393

External references