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Number Theory
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Demonstrations 141  160 of 568
Ulam Numbers
Primitive Pythagorean Triples 4: Ordered Tree Matrices
Cone of Pythagorean Triplets
Rational Triangles with Area Less than 102
Table of Dirichlet Characters
Collatz Sequence Computed by a Turing Machine
The Mayan Calendar
Frequencies of Digits of Square Roots
Gray Code's Error Reduction with Encoders
A 3D View of Modular Arithmetic
Check Digit Schemes
Hardy and Ramanujan's Asymptotic Formula for the Partition Numbers
Elliptic Curves on a Small Lattice
Decimal to Binary FloatingPoint Conversion
The Fractal Nature of Partitions
Why Pseudoprime Tests Work So Well
Nomography for Beginners
Basis for Pure Geodetic Angles
Primitive Pythagorean Triples 2: Ordered Pairs
Extending Rosser's Theorem
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