How many ways can one divide $n-m$ into parts of at most size $m$?
The only way I've thought of doing this is by summing up all the ways from parts of size $1$ to size $m$. The problem is that I don't know the size of $m$ relative to $n$.
How many ways can one divide $n-m$ into parts of at most size $m$?
The only way I've thought of doing this is by summing up all the ways from parts of size $1$ to size $m$. The problem is that I don't know the size of $m$ relative to $n$.