A129037 Number of n-node triangulations of the double torus S_2 in which every node has degree >= 6.

0, 298, 7044, 64820, 356293, 1429448, 4644258

Offset

9,2

References

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

Links

Table of n, a(n) for n=9..15.

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

Crossrefs

Sequence in context: A234665 A234659 A186126 * A249296 A245956 A235229

Adjacent sequences: A129034 A129035 A129036 * A129038 A129039 A129040

Keyword

nonn

Author

N. J. A. Sloane, May 12 2007

Status

approved