Number of closed walks on the Herschel graph.

A099912

Number of closed walks on the Herschel graph.

Terms

    a(0) =1a(1) =4a(2) =32a(3) =328a(4) =3560a(5) =39064a(6) =429512a(7) =4724248a(8) =51965960a(9) =571624024a(10) =6287861192a(11) =69166466968a(12) =760831124360

External references