A129041 Number of n-node triangulations of the triple torus S_3 in which every node has degree >= 6.

0, 20, 50214, 8677769

Offset

9,2

Links

Table of n, a(n) for n=9..12.

M. Jungerman and G. Ringel, Minimal triangulations on orientable surfaces, Acta Math. 145 (1980), 121-154.

Thom Sulanke, Generating triangulations of surfaces (surftri) (also subpages).

Crossrefs

Sequence in context: A060618 A064487 A099187 * A129040 A159370 A129039

Adjacent sequences: A129038 A129039 A129040 * A129042 A129043 A129044

Keyword

nonn

Author

N. J. A. Sloane, May 12 2007

Extensions

Name corrected by Allan Bickle, Mar 16 2023

Status

approved