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A129034
Number of n-node triangulations of the double torus S_2 in which every node has degree >= 3.
0
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.
CROSSREFS
Sequence in context: A308131 A114497 A129035 * A244359 A038657 A063900
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 12 2007
STATUS
approved