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The On-Line Encyclopedia of Integer Sequences® (OEIS®) Wiki

This is the Wiki part of the OEIS

• Many pages of information about the OEIS--everything except the sequences themselves.

Navigating

• Important: The main OEIS lookup page ishttps://oeis.org.Use that page for looking up a sequence, searching the database, contributing new sequences, editing sequences, etc.
• Welcome to OEIS
• Index to OEIS;subsidiary indexes:constants(very large),fractions,recurrences(very large),triangles
• Works Citing OEIS.Quotations about the OEIS
• Register(so you can submit sequences or suggest changes).
• Pictures from the OEIS: The (Free) OEIS Store

Troubleshooting

• Trouble registering, logging in, changing password or email address, remembering name, changing name
• Error messages: Unexpected error while authenticating, Server broke handling request, Proxy error, etc.
• Why am I limited to 3 submissions
• Why are my submissions taking so long to be accepted
• "War and Peace" submissions

Information

• Style Sheetfor contributors
• Questions and Answers
• How to add a comment, more terms, or a b-file (short version)
• What is a "pink box" comment?
• AVOID INTERFERING EDITS
• Use of AI for OEIS Submissions is Forbidden
• How to reference the OEIS or a particular entry
• What if I have an idea for new sequences
• Overview of the contribution process
• FAQ for OEIS;OEIS Help PageHave a question about the OEIS? Enter it here!
• Instructions forGeneral Users,Associate Editors,andEditors-in-Chief
• JSON Format
• Compressed Versions of the Databaseandhow todownloadeverything
• Editorial Board
• Registered Users
• How replies to a query are ranked
• Recent additions to OEIS(sequences with keyword "new" )
• Awards and press clippings
• Suggested Projects
• Deleted sequences
• About the OEIS banner
• More Pages
• OEIS Log(server esoterica)

Resources

• Videos about OEISbyNeil Sloane:Numberphile videoson YouTube with Brady Haran, 2018-present:
  • Planing Sequences (Le Rabot);A Sequence with a Mistake;Eureka Sequences;The Levine Sequence
  • The Brussels Choice;Dungeon Numbers;(extra);Podcast: The Number Collector
  • Amazing Graphs (I);(II);(III);Don't Know (the Van Eck Sequence);Peaceable Queens
  • How many ways can circles overlap?;The Trapped Knight;Terrific Toothpick Patterns
  • What Number Comes Next?;Primes on the Moon (Lunar Arithmetic)
• Other talks about OEISbyNeil Sloane:
  • Exciting Number Sequences,Rutgers Day, 2021;Richard Guy and the OEIS: A Fifty-Year Friendship,Calgary 2021
  • Conant's Gasket, etc.,Rutgers Experimental Math Seminar, 2020;Art and Sequences,Rutgers 2020
  • Old and New Problems from 55 Years of the OEIS,slides,Rutgers EM Seminar, 2019;Coordination Sequences, Planing Numbers, etc.,Part 1,2,Slides,Rutgers EM Seminar, 2019
  • Three (No, 8) Lovely Problems from the OEIS,Part 1,2,Slides,Rutgers EM Seminar, 2017;Confessions of a Sequence Addict,AofA 2017, Princeton;Winter Fruits: New Problems...,Part 1,2,Slides,Rutgers EM Seminar 2017
  • The OEIS, Mathematical Discovery, and Insomnia,London Ontario, 2016;Open Problems in the OEIS,Rutgers, 2016
  • Unsolved Number Theory Sequences from Alekseyev, Meiburg, Resta, van der Poorten, and Pablo Picasso,Part 1,2,Rutgers EM Seminar, 2015;The Online Encyclopedia of Integer Sequences,Good Ideas in Teaching Precalculus, Rutgers 2015;On the No. of ON Cells in Cellular Automata,Part 1,2,Rutgers EM Seminar, 2015;Interview by Marc Chamberland,JMM 2015
  • The OEIS Today: The Major Problems,DIMACS Conference to celebrate the 50th birthday of the OEIS, reaching 250,000 sequences, and Neil Sloane's 75th birthday, 2014;Error-Correcting Codes, Group Theory, and Invariant Theory,1,2,Rutgers 2014
  • 2178 And All That,Part 1,2,Rutgers EM Seminar, 2013;On Curling Numbers...,Toronto, 2013;The On-Line Encyclopedia of Integer Sequences: The First 100 Years,Part 1,2,Rutgers EM Seminar, 2013
  • The On-Line Encyclopedia of Integer Sequences,Rutgers University, Feb. 2012.
• Sequence Fans Mailing List
• OEIS software issue tracker
• Concordances to Sequences in Classic Books
• OEIS: The MOVIE
• Alexa, ask OEIS for the digits of pi

Policy

• Policy concerning pages on the OEIS Wiki
• Good Behavior Guide For Contributors and Editors
• License Agreements, Terms of Use, Privacy Policy
• Complaints About Editing
• Examples of what not to submit

Events

• Integer Sequences K-12 Conference, 2015;Talks at OEIS 50 Workshop, 2014;Suggestions from OEIS 50 Workshop;The 2004 OEIS 100K E-Party
• John Riordan Prizeof $1000 for the best solution to an open problem in the OEIS in 2015.

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