DE-BUNDESWETTBEWERB 2014 Problem 5

Show that for all positive integers $n$ , the number $2^{3^n}+1$ is divisible by $3^{n+1}$ .

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.