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A264899
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Number of nonisomorphic n-element left regular bands.
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0
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OFFSET
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1,2
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COMMENTS
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Computed by Evan Chen for n<7 using Sage 6.9 and Yongyi Chen for n<9 using Python.
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LINKS
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EXAMPLE
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For n=2 the two LRBs have elements x,y and relations (1) x^2=xy=yx=x, y^2=y, (2) y^2=xy=y, x^2=yx=x.
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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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EXTENSIONS
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STATUS
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approved
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