A105668 Number of non-separable rooted triangulations (with n vertices) in which any vertex has degree at least 4.

1, 3, 12, 59, 325, 1875, 11029, 65607, 393750, 2382084, 14517939, 89091558, 550217901, 3418171915, 21351207168

Offset

6,2

References

O. Bernardi, On triangulations with high vertex degree, Formal Power Series and Algebraic Combinatorics 2005.

Links

Table of n, a(n) for n=6..20.

Crossrefs

Sequence in context: A126959 A181328 A058861 * A192768 A179325 A064856

Adjacent sequences: A105665 A105666 A105667 * A105669 A105670 A105671

Keyword

nonn

Author

Olivier Bernardi (bernardi(AT)labri.fr), May 04 2005

Status

approved