12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
Arrows
brainfuck
Christmas Trees
Cubes
1,133rd
Diamonds
Divisors
3,745th4,700th
Emirp Numbers
Evil Numbers
Fibonacci
4,995th7,899th
Fizz Buzz
6,632nd11,960th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
1,725th1,574th
Intersection
Kolakoski Constant
Kolakoski Sequence
Leap Years
2,631st3,915th1,775th3,649th3,163rd
Leyland Numbers
Look and Say
Morse Decoder
Niven Numbers
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
3,433rd3,806th
Prime Numbers (Long)
Quine
Recamán
Rock-paper-scissors-Spock-lizard
Seven Segment
Sierpiński Triangle
998th
Sudoku
Tongue-twisters
United States
554th
Vampire Numbers
Van Eck Sequence
λ
π
2,322nd1,946th2,226th1,274th3,189th2,701st
τ
φ
√2
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