Number of strongly self-dual planar maps with 2n edges.
A006849
Number of strongly self-dual planar maps with 2n edges.
Terms
- a(0) =2a(1) =9a(2) =69a(3) =567a(4) =5112a(5) =48114a(6) =469179a(7) =4691115a(8) =47849940a(9) =495893502a(10) =5206886874a(11) =55273052646a(12) =592211326464
External references
- oeis: A006849