12 Days of Christmas
717
Abundant Numbers
880
Abundant Numbers (Long)
961
Arithmetic Numbers
885
Ascending Primes
678
Catalan Numbers
566
Catalan’s Constant
544
Collatz
818
Divisors
851
Emirp Numbers
524
Emirp Numbers (Long)
771
Evil Numbers
960866
Evil Numbers (Long)
942877
Factorial Factorisation
163
Farey Sequence
494
Fibonacci
650
Fizz Buzz
753941552
Foo Fizz Buzz Bar
812902
Fractions
949
Happy Numbers
374
Happy Numbers (Long)
527
Leap Years
775
Look and Say
707
Medal Tally
541
Niven Numbers
675
Niven Numbers (Long)
939
Odious Numbers
980875
Odious Numbers (Long)
980876
Pangram Grep
624
Pernicious Numbers
833
Pernicious Numbers (Long)
831
Prime Numbers
701
Prime Numbers (Long)
870
Quine
656
Recamán
615
Time Distance
749
Tongue-twisters
466
United States
298
π
73