This package provides a local copy of (some of) the sequences found in the Online Encyclopedia of Integer Sequences (OEIS), also known as "the Sloane database".
Sage has some built-in ability to search the OEIS; seesection 12.5 of the Reference Manual.
For information on installing optional and experimental packages, seesection 11.2 of the Reference Manual.
TODO: need to make a better distinction between Sage's built-in support for searching the OEIS and what this database provides.