- Bell numbers
- Catalan numbers
- Fibonacci sequence
- N choose k
- N pick k
- Permutations with repetition
- Combinations with repetition
- Generate all bit strings of length n
- Generate all permutations of a string
- Generate powerset of an n element set
- Generate cartesian product of an n element set
- Number of relations
- Number of reflexive relations
- Number of symmetric relations
- Number of antisymmetric relations
- Number of transitive relations
- Number of equivalence relations (bell numbers)
- Number of s_0 avoidant strings of length n (See this stack overflow post)
- Number of s_0 inclusive strings of length n
- Automatically solve recurrence relations with constant coefficients
- Implement GUI