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Kolakoski sequence

infinite sequence of symbols {1,2} that is its own run-length encoding and the prototype for an infinite family of related sequences
Thing infinite_sequence Q6427013
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Kolakoski sequence

Summary

Kolakoski sequence is an infinite sequence[1]. It draws 82 Wikipedia views per month (infinite_sequence category, ranking #2 of 2).[2]

Key Facts

  • Kolakoski sequence's image is recorded as Kolakoski sequence spiral.svg[3].
  • Kolakoski sequence's image is recorded as Kolakoski run length.svg[4].
  • Kolakoski sequence's instance of is recorded as infinite sequence[5].
  • Kolakoski sequence's instance of is recorded as integer sequence[6].
  • Kolakoski sequence's instance of is recorded as bounded sequence[7].
  • William Kolakoski is named after Kolakoski sequence[8].
  • Kolakoski sequence's Commons category is recorded as Kolakoski sequence[9].
  • Kolakoski sequence's Freebase ID is recorded as /m/04jh8qd[10].
  • Kolakoski sequence's OEIS ID is recorded as A000002[11].
  • Kolakoski sequence's different from is recorded as Thue–Morse sequence[12].
  • Kolakoski sequence's MathWorld ID is recorded as KolakoskiSequence[13].
  • Kolakoski sequence's Rosetta Code page ID is recorded as Kolakoski_sequence[14].
  • Kolakoski sequence's maintained by WikiProject is recorded as WikiProject Mathematics[15].
  • Kolakoski sequence's Microsoft Academic ID is recorded as 115757168[16].

Why It Matters

Kolakoski sequence draws 82 Wikipedia views per month (infinite_sequence category, ranking #2 of 2).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[17]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Kolakoski sequence. Retrieved May 3, 2026, from https://4ort.xyz/entity/kolakoski-sequence
MLA “Kolakoski sequence.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/kolakoski-sequence.
BibTeX @misc{4ortxyz_kolakoski-sequence_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kolakoski sequence}}, year = {2026}, url = {https://4ort.xyz/entity/kolakoski-sequence}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kolakoski sequence — https://4ort.xyz/entity/kolakoski-sequence (retrieved 2026-05-03)

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