12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Ascending Primes
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Day of Week
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Morse Decoder
Morse Encoder
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Polyominoes
Prime Numbers
Prime Numbers (Long)
Quine
Recamán
Repeating Decimals
Rijndael S-box
Roman to Arabic
Seven Segment
Sierpiński Triangle
Spelling Numbers
Time Distance
Tongue-twisters
Transpose Sentence
9th
United States
Vampire Numbers
Zeckendorf Representation
10th
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