Number of benzenoid graphs with n hexagonal faces and forcing number 0.

A256981

Number of benzenoid graphs with n hexagonal faces and forcing number 0.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =30a(4) =141a(5) =668a(6) =3249a(7) =15666a(8) =75931a(9) =367664a(10) =1781841a(11) =8636667a(12) =41888162

External references