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A129037 Number of n-node triangulations of the double torus S_2 in which every node has degree >= 6. 0
0, 298, 7044, 64820, 356293, 1429448, 4644258 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 27 21:49 EST 2023. Contains 359849 sequences. (Running on oeis4.)