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A028782
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Nonsquares mod 69.
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1
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2, 5, 7, 8, 10, 11, 14, 15, 17, 19, 20, 21, 22, 23, 26, 28, 29, 30, 32, 33, 34, 35, 37, 38, 40, 41, 42, 43, 44, 45, 47, 50, 51, 53, 56, 57, 59, 60, 61, 62, 63, 65, 66, 67, 68
(list;
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, 68], PowerMod[Range[69], 2, 69]] (* Alonso del Arte, Dec 23 2019 *)
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PROG
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(Scala) (0 to 68).diff((1 to 69).map(n => (n * n) % 69)) // Alonso del Arte, Dec 23 2019
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CROSSREFS
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KEYWORD
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nonn,fini,full,easy
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AUTHOR
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STATUS
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approved
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