Number of unsensed planar maps with n edges and without faces or vertices of degree 1.
A006397
Number of unsensed planar maps with n edges and without faces or vertices of degree 1.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =4a(5) =10a(6) =34a(7) =114a(8) =475a(9) =2104a(10) =10177a(11) =52012a(12) =279874
External references
- oeis: A006397