12 Days of Christmas
Abundant Numbers
Arithmetic Numbers
Ascending Primes
ASCII Table
Card Number Validation
Catalan Numbers
Christmas Trees
Collatz
CSS Colors
Day of Week
Divisors
936
Emirp Numbers
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
963981975
Fizz Buzz
Foo Fizz Buzz Bar
946
Forsyth–Edwards Notation
Fractions
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Kolakoski Constant
Kolakoski Sequence
912
Levenshtein Distance
944
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Medal Tally
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
PalindromemordnilaP
878
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
899971960
Prime Numbers (Long)
898
Quine
Repeating Decimals
Reverse Polish Notation
Time Distance
Transpose Sentence
Van Eck Sequence
π
τ
φ
√2
𝑒