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A112947
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Number of unrooted regular odd-valent planar maps with 10 vertices; maps are considered up to orientation-preserving homeomorphisms and the vertices are of valency 2n+1.
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1
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0, 1904, 17313263640, 53786496621600480, 115106032016630589567220, 204887911426306253833736206368, 326950476035695538194385010882728640, 485422668906114651402145718767396615062912
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OFFSET
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0,2
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COMMENTS
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There is a closed formula.
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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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