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oeis.org - all language versions

The On-Line Encyclopedia of Integer Sequences (OEIS) is an online database of integer sequences. It was created and maintained by Neil Sloane while researching at AT&T Labs. He transferred the intellectual property and hosting of the OEIS to the OEIS Foundation in 2009. Sloane is the chairman of the OEIS Foundation. OEIS records information on integer sequences of interest to both professional and amateur mathematicians, and is widely cited. As of April 2023, it contains over 360,000 sequences, making it the largest database of its kind. More information...

According to PR-model, oeis.org is ranked 742^nd in multilingual Wikipedia, in particular this website is ranked 538^th in English Wikipedia.

The website is placed before derstandard.at and after princeton.edu in the BestRef global ranking of the most important sources of Wikipedia.

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