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Demonstrations 41  60 of 115
The Four Numbers Game
What Squares Are in the Square Grid?
Noncrossing Partitions
Ulam Numbers
Functions That Enumerate Pairs
Collatz Sequence Computed by a Turing Machine
SelfDescriptive Strings
TwelveTone EqualTempered Scales
Collatz Sequence Computed by a Tag System
Uniform Convergence of a Sequence of Functions
Two Types of Hexagonal Polyominoes Counted by Area and Number of Columns
Stirling Numbers of the Second Kind and Nonattacking Rooks
Almost Repunit Primes
The Sequence of Primes
Fibonacci and Padovan Spiral Identities
A Procedure to Compute the Digit Sequence of a Rational Number
Difference in Digit Sequences by Changing Initial Conditions
A Procedure to Compute the Digit Sequence of a Square Root
Regular Paperfolding Sequence
A Graph Theory Interpretation of the Sum of the First n Integers
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