Solve the set of simultaneous linear equations
Sum of first n terms of a harmonic progression
Magic is simple (for beginners)
Divisible by 4
Identify Wagstaff primes
Solve a Weird Calculator puzzle
Compute expulsions from the Kimberling shuffle
Pass the cards in Fitch Cheney's five-card trick
Label primes with the Erdos-Selfridge classification
List ways to reach a target sum
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