A129042 Number of n-node triangulations of the triple torus S_3 in which every node has degree >= 7.

0, 18, 15592, 619388

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: A222202 A201986 A153301 * A262359 A202155 A296653

Adjacent sequences: A129039 A129040 A129041 * A129043 A129044 A129045

Keyword

nonn,more

Author

N. J. A. Sloane, May 12 2007

Status

approved