Jacobsthal number

one part of a particular Lucas sequence
Thing integer_sequence Q6119828
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Jacobsthal number

Summary

Jacobsthal number is an integer sequence[1]. It draws 61 Wikipedia views per month (integer_sequence category, ranking #7 of 30).[2]

Key Facts

  • Jacobsthal number's instance of is recorded as integer sequence[3].
  • Ernst Jacobsthal is named after Jacobsthal number[4].
  • Jacobsthal number's subclass of is recorded as Lucas sequence[5].
  • Jacobsthal number's Freebase ID is recorded as /m/03c90df[6].
  • Jacobsthal number's OEIS ID is recorded as A001045[7].
  • Jacobsthal number's defining formula is recorded as J_n=J_{n-1} + 2J_{n-2}[8].
  • Jacobsthal number's MathWorld ID is recorded as JacobsthalNumber[9].
  • Jacobsthal number's maintained by WikiProject is recorded as WikiProject Mathematics[10].
  • Jacobsthal number's Microsoft Academic ID is recorded as 140398272[11].

Why It Matters

Jacobsthal number draws 61 Wikipedia views per month (integer_sequence category, ranking #7 of 30).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[12] It is known by 6 alternative names across languages and contexts.[13]

📑 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). Jacobsthal number. Retrieved May 3, 2026, from https://4ort.xyz/entity/jacobsthal-number
MLA “Jacobsthal number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/jacobsthal-number.
BibTeX @misc{4ortxyz_jacobsthal-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jacobsthal number}}, year = {2026}, url = {https://4ort.xyz/entity/jacobsthal-number}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jacobsthal number — https://4ort.xyz/entity/jacobsthal-number (retrieved 2026-05-03)

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