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A028729
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Nonsquares mod 16.
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0
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2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| The elements of A028809 smaller than 16, because 96 is a multiple of 16. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 23 2008]
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MATHEMATICA
| Complement[Range[15], Union[PowerMod[Range[15], 2, 16]]] (* From Harvey P. Dale, Apr 30 2011 *)
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CROSSREFS
| Sequence in context: A117578 A039122 A031975 * A175084 A171519 A072099
Adjacent sequences: A028726 A028727 A028728 * A028730 A028731 A028732
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KEYWORD
| nonn,fini,full
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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