Number of 3-connected triangulations of a hexagon up to orientation-preserving isomorphisms with n interior nodes.
A341926
Number of 3-connected triangulations of a hexagon up to orientation-preserving isomorphisms with n interior nodes.
Terms
- a(0) =1a(1) =3a(2) =28a(3) =242a(4) =2039a(5) =17138a(6) =142802a(7) =1188412a(8) =9898491a(9) =82665138a(10) =692726420a(11) =5827533378a(12) =49221189621a(13) =417412172800
External references
- oeis: A341926