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

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=5 of A341923.

Cf. A342054.