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A058177
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Triangle: Number of commutative quasigroups of order n with k idempotents.
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0
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1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 5, 1, 0, 0, 3, 5, 1, 1, 0, 1, 148, 213, 96, 34, 0, 0, 0
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OFFSET
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0,12
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LINKS
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Table of n, a(n) for n=0..27.
Index entries for sequences related to quasigroups
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EXAMPLE
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1; 0,1; 0,1,0; 1,1,0,1; 1,5,1,0,0; ...
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CROSSREFS
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Row sums give A057992.
Sequence in context: A269129 A320606 A343016 * A345373 A204619 A228077
Adjacent sequences: A058174 A058175 A058176 * A058178 A058179 A058180
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KEYWORD
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nonn,tabl,more
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AUTHOR
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Christian G. Bower, Nov 20 2000
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STATUS
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approved
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