A129039 Number of n-node triangulations of the triple torus S_3 in which every node has degree >= 4.

0, 20, 65546, 23650152

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..12.

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

Crossrefs

Sequence in context: A129041 A129040 A159370 * A129038 A165344 A348646

Adjacent sequences: A129036 A129037 A129038 * A129040 A129041 A129042

Keyword

nonn

Author

N. J. A. Sloane, May 12 2007

Status

approved