kolakoski sequence
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
40
Scrabble Score
17
Letters
3
Syllables
11
Unique Chars
Meaning
noun
An infinite sequence of symbols {1,2} that is its own run-length encoding and the prototype for an infinite family of related sequences.
Etymology
Named after the recreational mathematician William Kolakoski (1944–97), who discussed it in 1965, though subsequent research has revealed that it first appeared in a paper by Rufus Oldenburger in 1939.