Bibliography (8):

1. The Busy Beaver Frontier

2. The determination of the value of Rado’s noncomputable function Σ(𝑘) for four-state Turing machines

3. https://gist.github.com/anonymous/a64213f391339236c2fe31f8749a0df6

4. Wikipedia Bibliography:

   1. Scott Aaronson

   2. https://en.wikipedia.org/wiki/Busy_beaver  :

      https://en.wikipedia.org/wiki/Busy_beaver

   3. Goldbach's conjecture

   4. Riemann hypothesis

   5. GitHub