A129034 Number of n-node triangulations of the double torus S_2 in which every node has degree >= 3.

0, 865, 113506, 7085444, 290085272, 9022585751, 231102712868

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: A308131 A114497 A129035 * A244359 A038657 A063900

Adjacent sequences: A129031 A129032 A129033 * A129035 A129036 A129037

Keyword

nonn

Author

N. J. A. Sloane, May 12 2007

Status

approved