Featuring Ellen Eischen from the University of Oregon.
More links & stuff in full description below ↓↓↓

Ellen Eischen: www.elleneischen.com/

John Conway videos: bit.ly/ConwayNumberphile

CORRECTION: Sum of the first 100 squares is 338350, not 1015050 as depicted. Sorry!

Patreon: www.patreon.com/numberphile

Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: bit.ly/numberphile-janestreet

We're also supported by the Simons Laufer Mathematical Sciences Institute (formerly MSRI): bit.ly/MSRINumberphile

Our thanks also to the Simons Foundation: www.simonsfoundation.org/

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

Video by Brady Haran and Pete McPartlan
Thanks to Debbie Chakour and Chip Rollinson from The Numberphile Society for some useful error spotting.

Numberphile T-Shirts and Merch: teespring.com/stores/numberphile

Brady's videos subreddit: www.reddit.com/r/BradyHaran/

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

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

Thanks to our Patrons, including:
Juan Benet
Jeff Straathof
Ben Delo
Ken Baron
Andy B
Michael Dunworth
Yana Chernobilsky
James Bissonette
Jubal John
Steve Crutchfield
Ben White
Andrei M Burke
RAD Donato
Matthew Schuster
Ron Hochsprung
Ubiquity Ventures
John Zelinka
Gnare
Heather Liu
Tracy Parry
Ian George Walker
Arnas
Bernd Sing
Valentin
Alex Khein
Doug Hoffman
John Loach