Number of nonseparable rooted toroidal maps with n edges.
A343089
Number of nonseparable rooted toroidal maps with n edges.
Terms
- a(0) =1a(1) =8a(2) =59a(3) =420a(4) =2940a(5) =20384a(6) =140479a(7) =964184a(8) =6598481a(9) =45059872a(10) =307197620a(11) =2091615760a(12) =14226362200a(13) =96680047568a(14) =656559634503
External references
- oeis: A343089