Neil Sloane from the OEIS has another number sequence which escalates quickly.
More links & stuff in full description below ↓↓↓

More videos with Neil Sloane: http://bit.ly/Sloane_Numberphile

Levine's sequence on the OEIS: https://oeis.org/A011784

Neil is the founder and keeper of the The On-Line Encyclopedia of Integer Sequences: https://oeis.org/

Numberphile Podcast: https://www.numberphile.com/podcast
Unmade Podcast: https://www.unmade.fm/

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 Math For America - https://www.mathforamerica.org/

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

Videos by Brady Haran

Patreon:   / numberphile  

Numberphile T-Shirts 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