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A124159
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Maximal order of a complete graph that is the union of two graphs which can both be embedded on a sphere with n handles.
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1
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OFFSET
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1,1
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COMMENTS
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a(3) is known to be 15 or 16. I have put 15 here because otherwise the sequence would be too short to include in the OEIS. But the true value is (or was in 1997 at least) not known.
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REFERENCES
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L. W. Beineke, Biplanar graphs: a survey, Computers Math. Applic., 34 (1997), 1-8.
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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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