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Ed Pegg Jr.
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Demonstrations 141  160 of 401
Remainder Graphs
Modular Multiplication on a Circle
The Circles of Descartes
AnglePath
Chromatic Spindles
Discrepancy Conjecture
3D UnitDistance Graphs
Interval Visibility Graphs
EarthMoon Problem
Thickness2 Graphs
Two Enumerations of the Rationals
Loeschian Spheres
Halving a Triangle Perimeter
Permutations, Lehmer Code, and Lexicographic Index
Pentagon Tilings
Semigraceful Eulerian Graphs
Some Polyhedra with Identical Triangular Faces
Seven Touching Cylinders Puzzle
Octahedra Constructed from Eight Identical Triangles
The Lucas Magic Square
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