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Perrin number

Number sequence 3,0,2,3,2,5,5,7,10,... defined by recurrence relation P(n) = P(n-2) + P(n-3).
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Perrin number

Summary

Perrin number ranks in the top 2% of general entities by monthly Wikipedia readership (29 views/month).[1]

Key Facts

  • Perrin number's subclass of is recorded as integer sequence[2].
  • Perrin number's Freebase ID is recorded as /m/076mv5[3].
  • Perrin number's OEIS ID is recorded as A001608[4].
  • Perrin number's definition domain is recorded as non-negative integer[5].
  • Perrin number's codomain is recorded as non-negative integer[6].
  • Perrin number's studied by is recorded as number theory[7].
  • Perrin number's MathWorld ID is recorded as PerrinSequence[8].
  • Perrin number's maintained by WikiProject is recorded as WikiProject Mathematics[9].
  • Perrin number's Microsoft Academic ID is recorded as 189807243[10].

Why It Matters

Perrin number ranks in the top 2% of general entities by monthly Wikipedia readership (29 views/month).[1] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[11]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . 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). Perrin number. Retrieved April 10, 2026, from https://4ort.xyz/entity/perrin-number
MLA “Perrin number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/perrin-number.
BibTeX @misc{4ortxyz_perrin-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Perrin number}}, year = {2026}, url = {https://4ort.xyz/entity/perrin-number}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Perrin number — https://4ort.xyz/entity/perrin-number (retrieved 2026-04-10)

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