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A348764
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Number of unsensed 4-regular maps with 2*n edges on the projective plane.
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3
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2, 6, 29, 153, 1015, 7572, 62316, 548575, 5069705, 48490576, 475784885, 4760060954, 48363620851, 497636022164
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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REFERENCES
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Krasko, Evgeniy, and Alexander Omelchenko. "Enumeration of unsensed r-regular maps on the projective plane and the Klein bottle." Discrete Mathematics 344.11 (2021): #112528.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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