In January 2014, Numberphile produced a YouTube video on the series, which gathered over 1.5 million views in its first month. The 8-minute video is narrated by Tony Padilla, a physicist at the University of Nottingham. Padilla begins with and and relates the latter to using a term-by-term subtraction similar to Ramanujan's argument. Numberphile also released a 21-minute version of the video featuring Nottingham physicist Ed Copeland, who describes in more detail how as an Abel sum and as "ζ"(−1). After receiving complaints about the lack of rigour in the first video, Padilla also wrote an explanation on his webpage relating the manipulations in the video to identities between the analytic continuations of the relevant Dirichlet series.