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A341926
Number of 3-connected triangulations of a hexagon up to orientation-preserving isomorphisms with n interior nodes.
3
1, 3, 28, 242, 2039, 17138, 142802, 1188412, 9898491, 82665138, 692726420, 5827533378, 49221189621, 417412172800, 3553723666154, 30370156995496, 260485323338444, 2241897876406419, 19358310778238774, 167672728538631224, 1456558329587916711, 12688039161618156484
OFFSET
1,2
LINKS
CROSSREFS
Column k=6 of A341923.
Cf. A342055.
Sequence in context: A094296 A172241 A321438 * A323959 A321385 A037777
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Feb 26 2021
STATUS
approved