Number of sensed planar maps with n edges.

Terms

a(0) =1a(1) =2a(2) =4a(3) =14a(4) =57a(5) =312a(6) =2071a(7) =15030a(8) =117735a(9) =967850a(10) =8268816a(11) =72833730a(12) =658049140a(13) =6074058060a(14) =57106433817a(15) =545532037612