Number of n edge connected unsensed planar maps with an external face in which all internal faces are triangles.
A378343
Number of n edge connected unsensed planar maps with an external face in which all internal faces are triangles.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =1a(5) =4a(6) =7a(7) =10a(8) =22a(9) =41a(10) =77a(11) =167a(12) =349a(13) =736a(14) =1642a(15) =3627a(16) =8120a(17) =18575a(18) =42548a(19) =97871a(20) =228166a(21) =532484a(22) =1246778a(23) =2941748a(24) =6952421a(25) =16470326a(26) =39217775a(27) =93530974a(28) =223542903a(29) =536138078
External references
- oeis: A378343