Number of rooted generalized quadrangular dissections of weight n of a closed disk: planar maps having the external face bounded by a polygon and all internal faces of size 4.

A090376

Number of rooted generalized quadrangular dissections of weight n of a closed disk: planar maps having the external face bounded by a polygon and all internal faces of size 4.

Terms

    a(0) =1a(1) =4a(2) =15a(3) =80a(4) =362a(5) =1832a(6) =8994a(7) =46384a(8) =238838a(9) =1257824

External references