Demonstration of the
On-Line Encyclopedia of Integer Sequences® (OEIS®)
Browsing the On-Line Encyclopedia and the WebCam
An excellent way to see the wide variety of sequences in the database is to use the WebCam.
You can set this to browse
"Sequences Needing More Terms"
Setting it to "All Sequences" displays a sequence chosen at random from the entire database.
"Best Sequences" are usually more interesting - these are sequences which have a high importance ranking (keywords "nice" or "core", for example).
"New Sequences" shows a sequence with keyword "new", meaning that it has arrived - or been significantly changed - in the past two weeks.
Setting the WebCam to "Sequences Needing More Terms" will show sequences which need extending, giving you an opportunity to contribute to the On-Line Encyclopedia and to get your name into the database.
Warning: browsing the database can be quite addictive!
Sending in an extension.
Click the single right arrow to go to the next demonstration page, or the single left arrow to return to the previous page.