OEIS A231201

[rwst]

What is the conjecture

Any integer $n > 0$ can be written as

$$ x + y, \text{ with $x, y > 0$ and $2^x + y$ prime.} $$

See https://oeis.org/A231201. Zhi-Wei Sun has set a prize of $1,000 (see also his homepage).

Prerequisites needed

Status: open

Choose either option

• I plan on adding this conjecture to the repository
• This issue is up for grabs: I would like to see this conjecture added by somebody else