Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).

A123357

Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).

Terms

    a(0) =1a(1) =6a(2) =40a(3) =272a(4) =1856a(5) =12672a(6) =86528a(7) =590848a(8) =4034560a(9) =27549696a(10) =188121088a(11) =1284571136a(12) =8771600384a(13) =59896233984a(14) =408997068800

External references