Another curious puzzle and number sequence from Neil Sloane. More of our videos with Neil: http://bit.ly/Sloane_Numberphile'>http://bit.ly/Sloane_Numberphile
More links & stuff in full description below ↓↓↓

Neil Sloane is founder of the OnLine Encyclopedia of Integer Sequences: https://oeis.org

More of our videos with Neil Sloane: http://bit.ly/Sloane_Numberphile'>http://bit.ly/Sloane_Numberphile

Pebbling a chessboard with Zvezda Stankova:    • Pebbling a Chessboard  Numberphile  

Patreon:   / numberphile  

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. https://www.simonsfoundation.org/outr...

And support from The Akamai Foundation dedicated to encouraging the next generation of technology innovators and equitable access to STEM education https://www.akamai.com/company/corpor...

NUMBERPHILE
Website: http://www.numberphile.com/
Numberphile on Facebook:   / numberphile  
Numberphile tweets:   / numberphile  
Subscribe: http://bit.ly/Numberphile_Sub

Videos by Brady Haran

Numberphile TShirts and Merch: https://teespring.com/stores/numberphile

Brady's videos subreddit:   / bradyharan  

Brady's latest videos across all channels: http://www.bradyharanblog.com/

Sign up for (occasional) emails: http://eepurl.com/YdjL9

Thanks to all our Patreon supporters, including:
Ben Delo
Juan Benet
Jeff Straathof
Ken Baron
Yana Chernobilsky
Andy B
Michael Dunworth
James Bissonette
Jubal John
Jeremy Buchanan
Steve Crutchfield
Adam Savage
Ben White
Andrei M Burke
RAD Donato
Matthew Schuster
Nat Tyce
Ron Hochsprung
Ubiquity Ventures
John Zelinka
Gnare
Kannan Stanz
OnlineBookClub.org
Tracy Parry
Ian George Walker
Arnas
Bernd Sing
Valentin
Alfred Wallace
Charles Southerland
Bodhisattva Debnath
Alex Khein
Kermit Norlund
Mirik Gogri
Doug Hoffman
Xavier F. G.
Avi Yashchin