The Ramanujan Summation: 1 and 2 and 3 and ⋯ + ∞ = -1/12? #1 Post by psvidler » Thu, Jun 20, 2019, 7:34 PM UTC The Ramanujan Summation: 1 and 2 and 3 and ⋯ + ∞ = -1/12?medium.com