12 Days of Christmas
850
Collatz
922
Divisors
841
Evil Numbers
537
Fibonacci
790
Fizz Buzz
992
Foo Fizz Buzz Bar
880
Happy Numbers
759
Happy Numbers (Long)
751
Kolakoski Sequence
535
Leap Years
934
Leyland Numbers
691
Look and Say
877
Niven Numbers
932
Pascal’s Triangle
734
Pernicious Numbers
438
Prime Numbers
897
Quine
866
Recamán
750
Tongue-twisters
771