Counting number of strictly increasing and strictly non identical functions
25563
Count number of increasing functions, nondecreasing functions $f: \{1, 2, 3, \ldots, n\} \to \{1, 2, 3, \ldots, m\}$, with $m \geq n$.
29232
Find total number of relations that are equivalence as well as partial order set
146055
Proving a set of functions is uncountable
40566
Counting surjective functions
83679
Writing a non symmetrical function as an even or odd function
4221
Determining the number of bit strings of length n that contains no adjacent 0s
113450
Construction of a function which is not the pointwise limit of a sequence of continuous functions
132384
Defining indefinitely many functions
110142
1-1 Function Composition
47223
Deriving even odd function expressions
105658
Show that a function that is locally increasing is increasing?
47027
Function that counts the number of arguments of other functions
3247
How can I find the number of arguments of a Python function?
623
variation of a function over countable intervals
82222
Determine the number of functions $f: \{1,2,3....,1999\}\to \{2000,2001,2002,2003\}$satisfying the condition that $f(1)+f(2)+...f(1999)$ is odd.
52129
covariance of increasing functions
28927
IMO 1987 - function such that $f(f(n))=n+1987$