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A011992
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(n,3,2) difference families over Z_n.
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0
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2, 0, 0, 0, 0, 4, 9, 0, 9, 71, 0, 0, 201, 0, 175, 0, 0, 2939, 19543, 0, 10841, 609483
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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7,1
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REFERENCES
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CRC Handbook of Combinatorial Designs, 1996, p. 285.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,hard
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AUTHOR
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STATUS
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approved
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