Number of unsensed 2-connected simple planar maps with n edges.
A006407
Number of unsensed 2-connected simple planar maps with n edges.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =20a(6) =58a(7) =177a(8) =630a(9) =2410a(10) =9772a(11) =41423a(12) =181586a(13) =814412a(14) =3722445
External references
- oeis: A006407