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Combinatorics
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Demonstrations 121  140 of 245
Traveling Salesman Problem
Equivalence of Three Catalan Number Interpretations
Labeled Polygon Triangulations
Multiset Partitions
qPascal Triangle
Beraha's Conjecture, Wheels, and Cyclic Graphs
Poisson Distribution
Random Permutations of a Given Length
Golay Code
Random Partitioning of a List
2byn DiskPacking Paradox
Narayana Numbers
Catalan Number Trees
Optimality of Greedy ChangeMaking
The 2(64,8,1) Design
Magic Squares and Designs
Square Matrix Permutations
A Cycle Index Spreadsheet
Prüfer Codes of Labeled Trees
A Combinatorial Game
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