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A129037
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Number of n-node triangulations of the double torus S_2 in which every node has degree >= 6.
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0
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OFFSET
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9,2
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REFERENCES
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M. Jungerman and G. Ringel, Minimal triangulations on orientable surfaces, Acta Math. 145 (1980), 121-154.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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