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A010441 Squares mod 80. 0
0, 1, 4, 9, 16, 20, 25, 36, 41, 49, 64, 65 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

PROG

(Sage) [quadratic_residues(80)] # Zerinvary Lajos, May 28 2009

CROSSREFS

Sequence in context: A313333 A313334 A066213 * A046871 A020487 A046870

Adjacent sequences:  A010438 A010439 A010440 * A010442 A010443 A010444

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified November 28 16:34 EST 2021. Contains 349413 sequences. (Running on oeis4.)