12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
648th
386th
1,618th
Abundant Numbers (Long)
Arithmetic Numbers
Ascending Primes
ASCII Table
brainfuck
Card Number Validation
Catalan Numbers
Christmas Trees
Collatz
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
1,000th
859th
612th
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Happy Numbers
581st
Happy Numbers (Long)
Hexdump
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
1,207th
113th
378th
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Medal Tally
Musical Chords
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)
Prime Numbers
Prime Numbers (Long)
Quine
Recamán
Reverse Polish Notation
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
146th
389th
256th
Tongue-twisters
Transpose Sentence
United States
Van Eck Sequence
π
τ
φ
√2
𝑒