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Demonstrations 101  120 of 266
Picture Puzzle
Mazes on 2nGons
Mazes on Archimedean Tilings
Chromatic Polynomials
The Fractal Nature of Partitions
Chord Diagrams for Motzkin Numbers
Playing Cards
A Bitter Chocolate Problem That Satisfies an Inequality
Gaussian Brackets
Equivalence of Two Fibonacci Number Interpretations
Perfect Riffle Shuffling
Permutation Lattice
Continuous Binomial Function in 3D
SelfAvoiding Paths through a Lattice
Two Types of Hexagonal Polyominoes Counted by Area and Number of Columns
How Many Right Triangles Can You Find?
Number of Handshakes
Stirling Numbers of the Second Kind and Nonattacking Rooks
U.S. City Tours
Folding a 2×n Sheet of Labeled Stamps
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