I hope I wasn’t claiming that! I was summing the odd integers only.

But since you mentioned it, here’s a piece I wrote a while back on the Gauss problem. Quite the genius he was.

https://mystudentvoices.com/a-boy-wonder-from-the-1780s-shows-us-where-school-maths-gets-it-wrong-bd19c7af7b5c#.ccufeeajb