12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
Arrows
brainfuck
Christmas Trees
Cubes
1,126th
Diamonds
Divisors
3,724th4,674th
Emirp Numbers
Evil Numbers
Fibonacci
4,976th7,871st
Fizz Buzz
6,582nd11,892nd
Foo Fizz Buzz Bar
Fractions
Happy Numbers
1,699th1,550th
Intersection
Kolakoski Constant
Kolakoski Sequence
Leap Years
2,611th3,890th1,761st3,627th3,140th
Leyland Numbers
Look and Say
Morse Decoder
Niven Numbers
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
3,410th3,785th
Prime Numbers (Long)
Quine
Recamán
Rock-paper-scissors-Spock-lizard
Seven Segment
Sierpiński Triangle
994th
Sudoku
Tongue-twisters
United States
549th
Vampire Numbers
Van Eck Sequence
λ
π
2,287th1,938th2,194th1,273rd3,131st2,652nd
τ
φ
√2
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