HA!

For today's math moment, would like to explore
(and eventually replicate) this graph of zeta values:

Those pink reals form a sideways parabola!!

So I googled the wrong thing, and ended up finding the solution 😄
Ended up with a whole song and dance on parabolas:

https://www.mathsisfun.com/geometry/parabola.html

And, on the solving quadratics page, got useful information about the vertex.

Ha!

https://www.mathwarehouse.com/geometry/parabola/

http://www.clausentech.com/lchs/dclausen/algebra2/parabolas.htm