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Ed Pegg Jr.
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Demonstrations 21  40 of 301
Permutations, Lehmer Code, and Lexicographic Index
Pentagon Tilings
Semigraceful Eulerian Graphs
Some Polyhedra with Identical Triangular Faces
Seven Touching Cylinders Puzzle
The Tetartoid
Octahedra Constructed from Eight Identical Triangles
The Lucas Magic Square
Complex Quadratic Residues
Factorizing Mersenne Numbers
Binary Coding Functions for Generalized Logistic Maps with zUnimodality
Wheel Graphs with Integer Edges
HalfDistance Rules with Low Resolution
HalfDistance Rules with High Resolution
Galactohedra
Disappearing Dot Illusion
Infinite Magic Elliptic Curves
RootFinding Fractals
Tiles with Finite Convex Spectra
Wolfram Science Summer School Rules
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