Number of rooted dual-unicursal n-edge maps in the plane (planar with a distinguished outside face).
A103945
Number of rooted dual-unicursal n-edge maps in the plane (planar with a distinguished outside face).
Terms
- a(0) =2a(1) =14a(2) =107a(3) =844a(4) =6757a(5) =54522a(6) =441863a(7) =3589880a(8) =29206025a(9) =237780982a(10) =1936486411a(11) =15771410420a(12) =128431734797
External references
- oeis: A103945