KöMaL 2021 B5179
Is there a set of integers with the following property: every nonzero integer can be represented in infinitely many ways as a sum of some distinct elements of , but cannot be represented at all?
Official text KöMaL. 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.
Similar problems
These problems have the most words in common with this statement.