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A010451
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Squares mod 90.
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1
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0, 1, 4, 9, 10, 16, 19, 25, 31, 34, 36, 40, 45, 46, 49, 54, 55, 61, 64, 70, 76, 79, 81, 85
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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PROG
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(Scala) (1 to 90).map(n => n * n % 90).toSet.toSeq.sorted // Alonso del Arte, Jan 03 2020
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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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