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
1st
Emirp Numbers
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
1st
1st
1st
Fizz Buzz
Foo Fizz Buzz Bar
1st
ForsythβEdwards Notation
Fractions
Gijswijtβs Sequence
Happy Numbers
Happy Numbers (Long)
Kolakoski Constant
Kolakoski Sequence
1st
Levenshtein Distance
1st
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Medal Tally
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
PalindromemordnilaP
2nd
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
4th
1st
1st
Prime Numbers (Long)
2nd
Quine
Repeating Decimals
Reverse Polish Notation
Time Distance
Transpose Sentence
Van Eck Sequence
Ο
Ο
Ο
β2
π