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Combinatorics
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Demonstrations 1  20 of 249
Concurrent Diagonals in a 30Gon
New this month
Diagonals of Polyhedra
Updated this month
Biggest Little Polyhedron
New this month
Chromatic Spindles
Seven Touching Cylinders Puzzle
Constrained Optimal Routes in 3D Space
Ways to Lace Your Shoes
The Routing Problem
Wheel Graphs with Integer Edges
Isomorphic Types on Graphs: 1Neighborhood Random Grid Graphs
Isomorphic Types on Graphs: 1Neighborhood Random Graphs
Isomorphic Types on Graphs: 1Neighborhood Random Tree Graphs
Set Partitions Match Restricted Growth Functions
Exchange Networks
Infinite Magic Elliptic Curves
Tiles with Finite Convex Spectra
Jarvis March to Find the Convex Hull of a Set of Points in 2D
Visible Points in a Polygon
Social Golfer Problem
Nearest in a Crowd
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