Look-and-Say Numbers (feat John Conway) - Numberphile
Why the open web links it
John Conway explains the mathematical properties of the Look-and-Say sequence, a self-descriptive number pattern.
Linked by 6 independent sites, 4 of them widely read in the 2026-10 crawl of the open web, including wikipedia.org, rutgers.edu, unizar.es, ams.org, mathezirkel-augsburg.de.
Cited in 2 Wikipedia articles, including John Horton Conway, Look-and-say sequence.