A341925 - OEIS

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A341925

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

1, 2, 16, 122, 925, 7066, 54560, 426462, 3372291, 26956270, 217614820, 1772645420, 14557912005, 120446430162, 1003264150080, 8408233633984, 70865259181716, 600341163614280, 5109974618238720, 43685248156083450, 374975710962745835, 3230692210606121118

(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=5 of A341923.

Cf. A342054.

Sequence in context: A090672 A200820 A209361 * A229808 A301947 A027309

Adjacent sequences: A341922 A341923 A341924 * A341926 A341927 A341928

KEYWORD

nonn

AUTHOR

Andrew Howroyd, Feb 26 2021

STATUS

approved