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Unsolved Problems
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Demonstrations 1  20 of 77
Plotting Collatz Sequences
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Seven Cylinders Puzzle
Other Formulations of the Collatz Problem
Social Golfer Problem
The Lonely Runner Conjecture
Mrs. Perkins's Quilts
Packing Disks with Consecutive Integer Radii in a Circle
Van der Waerden's Theorem
Unsolved Conjectures about Egyptian Fractions
Congruent Numbers
NoThreeinLine Problem
Correlating the Mertens Function with the Farey Sequence
Visualizing the Thomson Problem
No Repeated Distances
A Canadian Lottery Wheel
PrimeGenerating Recurrence
Iterating the Collatz Map on Real and Complex Numbers
Minimally Squared Rectangles
OrchardPlanting Problem
abc Conjecture
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