Number of rooted planar 4-constellations with n quadrangles: rooted planar maps with bicolored faces having n black quadrangular faces and an arbitrary number of white faces of degrees multiple to 4.
A090374
Number of rooted planar 4-constellations with n quadrangles: rooted planar maps with bicolored faces having n black quadrangular faces and an arbitrary number of white faces of degrees multiple to 4.
Terms
- a(0) =1a(1) =10a(2) =160a(3) =3200a(4) =72960a(5) =1813504a(6) =47923200a(7) =1325629440a(8) =37991219200
External references
- oeis: A090374