Draw the GKMS aperiodic tile code-golfgraphical-outputgeometrytiling Chaim Goodman-Strauss, Craig Kaplan, Joseph Myers and David Smith found the following simple (both objectively and subjectively) polygon that tiles the plane, but only aperiodically: Indeed they found a one-parameter family of ...

Challenge: A Frog List is defined by certain rules: Each frog within a Frog List has an unique positive digit [1-9] as id (any 0 in a list is basically an empty spot, which can mostly be ignored). A Frog List will always have exactly one Lazy Frog. A Lazy Frog will remain at its position. Every ...

Record Least Uncommon Multiple Counts The Greatest Common Divisor, or gcd, of two positive integers x and y is the largest positive integer that divides both x and y. The Least Common Multiple, or lcm, of two positive integers x and y is the smallest positive integer that is a multiple of x and y...

Chaim Goodman-Strauss, Craig Kaplan, Joseph Myers and David Smith found the following simple (both objectively and subjectively) polygon that tiles the plane, but only aperiodically: Indeed they found a one-parameter family of such aperiodic monotiles or "einsteins". The edges of all tiles in th...