Tag: combinatorics
- Combinatorics – Probability of Exactly 2 People Sharing the Same Birthday Out of 10
- Combinatorics – Find Number of Pairs of Two Consecutive Zeros
- Combinatorics – How to Construct a Steiner System
- General formula for counting ordered sequences with duplicates
- Probability – World Record for Lowest Number in Random Selection
- If $A\subset \Bbb Z$ with $|A| = n$, then there exists $t\in \Bbb Z\setminus p\Bbb Z$ such that $\phi(at/p) \le p^{-1/n}$ for all $a\in A$.
- Upper bound on least eigenvalue of a graph
- Find the number of subsets of n chairs in a circle containing at least three adjacent chairs
- Distributing keys to professors (Combinatorics)
- Strongly connected? Binary numbers of length n with bounded hamming weight