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A341924 Number of 3-connected triangulations of a quadrilateral up to orientation-preserving isomorphisms with n interior nodes. 2
1, 2, 10, 60, 386, 2652, 18914, 139264, 1048947, 8057026, 62893270, 497840520, 3988465676, 32292955800, 263910215250, 2174723058816, 18053970236196, 150883196364072, 1268622177683432, 10725273649776860, 91130026089055954, 777875145348140268, 6667969516814183630 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

CROSSREFS

Column k=4 of A341923.

Sequence in context: A025188 A114620 A173613 * A350665 A004981 A214764

Adjacent sequences:  A341921 A341922 A341923 * A341925 A341926 A341927

KEYWORD

nonn

AUTHOR

Andrew Howroyd, Feb 26 2021

STATUS

approved

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Last modified May 17 19:51 EDT 2022. Contains 353778 sequences. (Running on oeis4.)