Initializing live version
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
Highlighted in blue are all integers that occur as quadratic residues mod ; that is, there is an such that . The rows correspond to the modulus . The vertical stripes correspond to ordinary perfect squares. The other quadratic residues are perfect squares only modulo .
Contributed by: Stephen Wolfram (March 2011)
Open content licensed under CC BY-NC-SA