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A028741
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Nonsquares mod 28.
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1
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2, 3, 5, 6, 7, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 24, 26, 27
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Complement[Range[0, 27], PowerMod[Range[28], 2, 28]] (* Alonso del Arte, Nov 28 2019 *)
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PROG
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(Scala) val squaresMod28 = (1 to 28).map(n => n * n).map(_ % 28)
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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