12 Days of Christmas
879
Collatz
948
Divisors
860
Evil Numbers
552
Fibonacci
805
Fizz Buzz
1,000
Foo Fizz Buzz Bar
898
Happy Numbers
646
Happy Numbers (Long)
785
Kolakoski Sequence
563
Leap Years
953
Leyland Numbers
722
Look and Say
909
Niven Numbers
955
Pascal’s Triangle
765
Pernicious Numbers
453
Prime Numbers
923
Quine
893
Recamán
773
Tongue-twisters
520