Total number of vertices in all loopless rooted planar maps with n edges.
A027836
Total number of vertices in all loopless rooted planar maps with n edges.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =43a(4) =268a(5) =1824a(6) =13156a(7) =98865a(8) =765948a(9) =6075256a(10) =49094708a(11) =402801425a(12) =3346590068a(13) =28099903160a(14) =238079915640
External references
- oeis: A027836