Number of sensed planar maps with n edges and without faces of degree 1 or 2.

A006392

Number of sensed planar maps with n edges and without faces of degree 1 or 2.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =4a(4) =9a(5) =34a(6) =161a(7) =830a(8) =4779a(9) =29092a(10) =184510a(11) =1208178a(12) =8116922

External references