This rather clunky looking formula — made more clunky by its pixelated nature — is actually rather special. Because the formula is what’s used to create the visual representation of the formula which is used to create the…
This is known as Tupper’s self-referential formula, and it was developed as part of Jeff Tupper’s into developing automated graphing techniques. In a new Numberphile video, Matt Parker explains how it works. It’s well worth a watch. [Numberphile]