12 Days of Christmas
850
Collatz
921
Divisors
841
Evil Numbers
536
Fibonacci
789
Fizz Buzz
992
Foo Fizz Buzz Bar
880
Happy Numbers
759
Happy Numbers (Long)
751
Kolakoski Sequence
535
Leap Years
934
Leyland Numbers
690
Look and Say
876
Niven Numbers
932
Pascal’s Triangle
734
Pernicious Numbers
438
Prime Numbers
896
Quine
866
Recamán
749
Tongue-twisters
771