How many ways can circles overlap? - Numberphile

T-shirt and poster details below.
Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor)
More links & stuff in full description below ↓↓↓

Featuring Neil Sloane from the OEIS: https://oeis.org

And thanks to Jonathan Wild: https://www.mcgill.ca/music/jonathan-wild

OEIS A250001 - Number of arrangements of n circles in the affine plane: https://oeis.org/A250001

3-Circles T-Shirt: https://teespring.com/three-circles-numberphile
4-Circles Poster: https://teespring.com/four-circles-numberphile
Other merch: https://teespring.com/stores/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/outreach/science-sandbox/

And support from Math For America - https://www.mathforamerica.org/

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

Videos by Brady Haran
Animation by Pete McPartlan

Patreon: http://www.patreon.com/numberphile

Numberphile T-Shirts: https://teespring.com/stores/numberphile

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

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

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

Видео How many ways can circles overlap? - Numberphile канала Numberphile