Apéry's constant
Additional information
Tony Padilla is an associate professor of physics at the University of Nottingham.
Here he discusses the zeta function and Apéry's Constant.
More Tony videos: http://bit.ly/Padilla_Numberphile
Tony's Tweet: https://twitter.com/DrTonyPadilla/status/828527018081918976
Roger Apéry pics courtesy of François Apéry