A342054 Number of unrooted 3-connected triangulations of a pentagon with n interior nodes.

1, 2, 12, 73, 503, 3661, 27715, 214664, 1691049, 13494718, 108864742, 886520081, 7279644889, 60225617740, 501640531350, 4204146605148, 35432735188076, 300170956721542, 2554988646383521, 21842628856370472, 187487872615533629, 1615346166853635465, 13965841907774754081

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 A342053.

Cf. A341925.