A mathematician whose research generates a sequence of numbers can turn to the OEIS to discover other contexts in which the sequence arises and any papers that discuss it. The repository has spawned countless mathematical discoveries and has been cited more than 4,000 times.

Source: Neil Sloane, Connoisseur of Number Sequences | Quanta Magazine

the Online Encyclopedia of Integer Sequences (OEIS), often simply called “Sloane” by its users.