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A028737
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Nonsquares mod 24.
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1
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2, 3, 5, 6, 7, 8, 10, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23
(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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Table of n, a(n) for n=1..18.
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MATHEMATICA
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Complement[Range[0, 23], PowerMod[Range[0, 23], 2, 24]] (* Alonso del Arte, Nov 24 2019 *)
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PROG
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(Scala) val squaresMod24 = (0 to 23).map(n => n * n).map(_ % 24)
(0 to 23).diff(squaresMod24) // Alonso del Arte, Nov 24 2019
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CROSSREFS
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Cf. A010386.
Sequence in context: A307295 A047587 A285420 * A109423 A028801 A239161
Adjacent sequences: A028734 A028735 A028736 * A028738 A028739 A028740
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KEYWORD
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nonn,fini,full,easy
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AUTHOR
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N. J. A. Sloane
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STATUS
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approved
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