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A028729 Nonsquares mod 16. 0
2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The elements of A028809 smaller than 16, because 96 is a multiple of 16. - R. J. Mathar, Oct 23 2008

LINKS

Table of n, a(n) for n=1..12.

MATHEMATICA

Complement[Range[15], Union[PowerMod[Range[15], 2, 16]]]  (* Harvey P. Dale, Apr 30 2011 *)

PROG

(PARI) select(n->!issquare(Mod(n, 16)), [2..15]) \\ Charles R Greathouse IV, Aug 28 2016

CROSSREFS

Sequence in context: A244217 A039122 A031975 * A213367 A175084 A171519

Adjacent sequences:  A028726 A028727 A028728 * A028730 A028731 A028732

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 17 02:26 EDT 2021. Contains 343059 sequences. (Running on oeis4.)