Not -1/12
11:40
the most famous Ramanujan sum 1+2+3+...=-1/12
15:17
Why -1/12 is a gold nugget
14:50
believe in the math, not wolframalpha
12:42
are you tired of the a^b vs b^a questions?
24:57
The Return of -1/12 - Numberphile
17:01
الدحيح | 3+2+1
9:56
A Visual Attempt at 1 + 2 + 3 + 4 + 5 + ... = -1/12
41:44