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A028776 Nonsquares mod 63. 1
2, 3, 5, 6, 8, 10, 11, 12, 13, 14, 15, 17, 19, 20, 21, 23, 24, 26, 27, 29, 30, 31, 32, 33, 34, 35, 38, 39, 40, 41, 42, 44, 45, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 61, 62 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

Complement[Range[0, 62], PowerMod[Range[63], 2, 63]] (* Alonso del Arte, Dec 21 2019 *)

PROG

(Scala) (0 to 62).diff((1 to 63).map(n => (n * n) % 63)) // Alonso del Arte, Dec 21 2019

CROSSREFS

Cf. A010424.

Sequence in context: A028374 A050578 A283513 * A028734 A028755 A187897

Adjacent sequences:  A028773 A028774 A028775 * A028777 A028778 A028779

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 22 03:47 EDT 2020. Contains 337289 sequences. (Running on oeis4.)