A341926 Number of 3-connected triangulations of a hexagon up to orientation-preserving isomorphisms with n interior nodes.

1, 3, 28, 242, 2039, 17138, 142802, 1188412, 9898491, 82665138, 692726420, 5827533378, 49221189621, 417412172800, 3553723666154, 30370156995496, 260485323338444, 2241897876406419, 19358310778238774, 167672728538631224, 1456558329587916711, 12688039161618156484

Offset: 1

Author

Andrew Howroyd, Feb 26 2021

Keywords

• nonn

Links

• Andrew Howroyd, Table of n, a(n) for n = 1..500

Crossrefs

Column k=6 of A341923.

Cf. A342055.