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The On-Line Encyclopedia of Integer Sequences (OEIS) also cited simply as Sloane’s is an online database of integer sequences. It was created and maintained by Neil Sloane while a researcher at AT&T Labs. Foreseeing his retirement from AT&T Labs in 2012 and the need for an independent foundation Sloane agreed to transfer the intellectual property and hosting of the OEIS to the OEIS Foundation in October 2009.