Triangle read by rows: T(n,k) is the number of embeddings on the sphere of 2-connected planar graphs with n nodes and k faces, n >= 3, k=2..2*n-4.
A342060
Triangle read by rows: T(n,k) is the number of embeddings on the sphere of 2-connected planar graphs with n nodes and k faces, n >= 3, k=2..2*n-4.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =4a(7) =2a(8) =1a(9) =1a(10) =3a(11) =13a(12) =21a(13) =16a(14) =5a(15) =2a(16) =1a(17) =4a(18) =29a(19) =94a(20) =183a(21) =154a(22) =76a(23) =18a(24) =5a(25) =1a(26) =6a(27) =59a(28) =328a(29) =1146
External references
- oeis: A342060