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A140190
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a(n) is the number of groupoids (categories all of whose morphisms are invertible) with m morphisms and m-n objects for any m>=2n.
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1
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1, 1, 3, 5, 9, 15, 27, 44, 71, 113, 176, 271, 413, 621, 927, 1375, 2004, 2924, 4213
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OFFSET
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0,3
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COMMENTS
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Limiting values of A140188, i.e., a(n) = T140188(m,m-n) for any m>=2n.
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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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