CoM | Highlights from the First 400,000 Sequences in the OEIS

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Wednesday, October 21, 2026
 – Live Presentation with
Neil J. A. Sloan –

Session at 12 Noon Atlanta time
(check your time here)

Please join us starting 10 minutes before this session using the following button.

CoM Zoom Event

For published CoM presentations please visit the G4G YouTube channel

After this virtual CoM presentation on Zoom, we will meet for an informal social session in a different Zoom space where we can all see each other (see the blue button below).  That Zoom meeting will start around 1pm ET.

Please join the social using the following button:

ZOOM Social Meeting

Highlights from the First 400,000 Sequences in the OEIS

To celebrate the On-Line Encyclopedia of Integer Sequences reaching
400,000 entries, which should happen this month, I will describe some
of the highlights of the database, including the scariest sequence,
the most musical, the funniest, the best rug design, the best and the
worst contributions from AI, the most wanted prime, the most wanted
proof, the shortest and the longest finite sequences, and the hottest
new sequence.

Neil J. A. Sloane (Visiting Scholar, Rutgers University, Piscataway, NJ; The OEIS Foundation, Highland Park, NJ) is an acclaimed British-American mathematician best known as the creator and longtime curator of the On-Line Encyclopedia of Integer Sequences (OEIS), widely considered one of modern mathematics’ most vital digital resources. Following an extensive, award-winning research career at Bell Labs and AT&T Labs, he made seminal contributions to combinatorics, discrete geometry, and coding theory, co-authoring standard reference texts such as The Theory of Error-Correcting Codes and Sphere Packings, Lattices and Groups. A member of the US National Academy of Engineering as well as a Fellow of the IEEE and AMS, Sloane continues his mathematical research, public lectures, and leadership as President of the OEIS Foundation.

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