See also Zachary Abel's Prime Portraits article [3].
[1]: https://news.ycombinator.com/item?id=15208317
[2]: https://www.youtube.com/watch?v=fQQ8IiTWHhg
[3]: http://archive.bridgesmathart.org/2016/bridges2016-359.pdf
[0]: http://mathworld.wolfram.com/TuppersSelf-ReferentialFormula....
[1]: https://www.youtube.com/watch?v=_s5RFgd59ao
See also Zachary Abel's Prime Portraits article [3].
[1]: https://news.ycombinator.com/item?id=15208317
[2]: https://www.youtube.com/watch?v=fQQ8IiTWHhg
[3]: http://archive.bridgesmathart.org/2016/bridges2016-359.pdf