1+2+3+4+...

What do you get when you add 1 + 2 + 3 + 4 + ... on to infinity? Did you say -1/12? You're right!

According to a certain understanding of how to play with infinite series and such. Oh, and don't say 'converges', because that's wrong.

(Another take.)

And now I've found another video series I might get distracted by...

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