Number of isomeric aza-benzenoids with three nitrogen atoms and n hexagons.

A121951

Number of isomeric aza-benzenoids with three nitrogen atoms and n hexagons.

Terms

    a(0) =3a(1) =14a(2) =109a(3) =730a(4) =4918a(5) =32043a(6) =204417a(7) =1277866a(8) =7860506a(9) =47678819

External references