99 Bottles of Beer
Abundant Numbers
Collatz
Cubes
Diamonds
Emirp Numbers
Evil Numbers
Fibonacci
Fizz Buzz
39th
133rd
33rd
65th
174th
165th
88th
Foo Fizz Buzz Bar
Happy Numbers
ISBN
Leap Years
Leyland Numbers
Look and Say
Niven Numbers
Odious Numbers
Ordinal Numbers
Pangram Grep
Pernicious Numbers
Prime Numbers
Quine
166th
1st
Rijndael S-box
United States
λ
π
τ
φ
√2
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