Abundant Numbers
449
660711
Abundant Numbers (Long)
700
Arithmetic Numbers
514
688751
Catalan Numbers
691
Christmas Trees
536
Collatz
675
650777
CSS Colors
100
Day of Week
662
Divisors
675
844830
Emojify
336
Evil Numbers
500
755602
Fibonacci
720
789544
Fizz Buzz
939
848
Foo Fizz Buzz Bar
854393715402
Leap Years
637
632
ln 2
656
Morse Encoder
147
Odious Numbers
498
726605
Pangram Grep
369
Prime Numbers
625
538
Prime Numbers (Long)
571
Recamán
508
Seven Segment
299
Tongue-twisters
320
United States
108
√2
705