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Demonstrations 21 - 40 of 301
The Three-Gap Theorem
Magic Squares and Designs
Optimized Preferential Pairings for Groups of Four
Wichmann Columns
Patterns from de Bruijn Sequences
Smallest Circle Problem
Sparse Rulers
Art Gallery Problem
Constructing a Steiner Tree for Five Points
Wichmann-like Rulers
Problems on Circles II: Halving a Set of Points
Polygons within Polygons
Pascal-like Triangle Made from a Card Game
Path Nets for Dodecahedron and Icosahedron
Pisot, Salem and Cyclotomic Polynomials
Arranging Balls into Boxes
Counting Necklaces
The Birthday Problem and Some Generalizations
Tournaments
Permutations, Derangements, and Other Forbidden Position Problems Using Non-Attacking Rooks
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