Sum of Three Palindromes

Additional information

Featuring James Grime... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor)

More James Grime videos on Numberphile: http://bit.ly/grimevideos

Main paper he discusses: https://arxiv.org/abs/1602.06208v2

And the base 2, 3, 4 paper: https://arxiv.org/abs/1706.10206

Website by Christian Lawson-Perfect to run the algorithm: http://somethingorotherwhatever.com/sum-of-3-palindromes/

Applet for any base 5-10 by paper author Lewis Baxter: http://www.rnta.eu/cgi-bin/three_palindromes/pal3.py

Lychrel numbers: https://www.youtube.com/watch?v=bN8PE3eljdA