A129038 Number of n-node triangulations of the triple torus S_3 in which every node has degree >= 3.

0, 20, 65878, 25608643

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: A129040 A159370 A129039 * A165344 A348646 A222745

Adjacent sequences: A129035 A129036 A129037 * A129039 A129040 A129041

Keyword

nonn,more

Author

N. J. A. Sloane, May 12 2007

Status

approved