KöMaL 2007 C887
How many eight-digit numbers are there in which every digit occurs the same number of times as the value of the digit? (Example: .)
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.