Skip to main content
4 events
when toggle format what by license comment
Feb 10, 2019 at 6:33 comment added buttercrab 2~SquaresR~k~Sum~{k,0,#^2}& to make it shorter
May 14, 2016 at 8:32 history edited Sparr CC BY-SA 3.0
explanation
May 14, 2016 at 6:33 history edited Sparr CC BY-SA 3.0
edited body
May 14, 2016 at 6:27 history answered Sparr CC BY-SA 3.0