I want to calculate the residue of a power tower. How do I do that?
For example, I want to know the answer to this:
$$2 \uparrow\uparrow 10 \pmod{10^9}$$
I want to calculate the residue of a power tower. How do I do that?
For example, I want to know the answer to this:
$$2 \uparrow\uparrow 10 \pmod{10^9}$$