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A133174
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Transposition classes of unordered Latin bi-trades of size n.
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0
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0, 0, 0, 1, 0, 2, 1, 9, 5, 36, 42, 313, 685, 3999, 16535, 100897, 577324, 3886229, 26982310
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,6
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LINKS
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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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STATUS
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approved
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