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Demonstrations 41  60 of 250
Ways of Stepping One, Two, or Three Stairs Up a Stairway
Shortening the 29th Olympic Torch Tour
Polyform Explorer
Pascallike Triangles Mod k
Lattice Path Interpretations
No Repeated Distances
Grid Packing at an Angle
A Canadian Lottery Wheel
Set Partition Refinement Lattice
Equilateral Triangles in 3D with Integer Coordinates
Ant Colony Optimization (ACO)
The Number of Fixed Points in a Random Permutation
Map Maker
Euler Zigzag Numbers
The Satisfiability Threshold
Among Six People, Either Three Know Each Other or Three Are Strangers to Each Other
Some Numbers behind Rubik's Cube
What Triangles Are in the Triangle?
The Traveling Salesman Problem 4: Spanning Tree Heuristic
Matrix Representation of the Permutation Group
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