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A058137
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Triangle read by rows: monoids of order n with k idempotents.
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6
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1, 1, 1, 1, 3, 3, 2, 9, 14, 10, 1, 32, 63, 86, 46, 2, 219, 406, 694, 665, 251, 1, 5585, 3331, 6343, 8582, 6035, 1682, 5
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,5
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LINKS
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EXAMPLE
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1; 1,1; 1,3,3; 2,9,14,10; 1,32,63,86,46; ...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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