Abundant Numbers
448
660710
Abundant Numbers (Long)
700
Arithmetic Numbers
513
698750
Catalan Numbers
680
Christmas Trees
531
Collatz
674
649776
CSS Colors
100
Day of Week
661
Divisors
675
844829
Emojify
336
Evil Numbers
499
755590
Fibonacci
549
789544
Fizz Buzz
852
848
Foo Fizz Buzz Bar
718393715401
Leap Years
637
632
Morse Encoder
147
Odious Numbers
498
726604
Pangram Grep
369
Prime Numbers
555
422
Seven Segment
299
United States
110
√2
704