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A129033 Number of n-node triangulations of the torus S_1 in which every node has degree >= 6. 0
0, 1, 1, 2, 1, 1, 4, 2, 2, 4, 5, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

6,4

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=6..17.

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

CROSSREFS

Sequence in context: A176452 A064191 A127420 * A054090 A239456 A122517

Adjacent sequences:  A129030 A129031 A129032 * A129034 A129035 A129036

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 12 2007

STATUS

approved

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Last modified February 18 23:26 EST 2018. Contains 299330 sequences. (Running on oeis4.)