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A037290
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Number of self-converse rings (isomorphic to inverse) with n elements.
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7
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1, 2, 2, 9, 2, 4, 2, 40, 9, 4, 2, 18, 2, 4, 4, 242, 2, 18, 2, 18, 4, 4, 2, 80, 9, 4, 47, 18, 2, 8, 2
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn,hard,mult,nice
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AUTHOR
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EXTENSIONS
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a(16) and a(27) from Christof Noebauer (christof.noebauer(AT)algebra.uni-linz.ac.at), Oct 17 2000
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STATUS
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approved
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