Abundant Numbers
451
688689
Abundant Numbers (Long)
678
Arithmetic Numbers
514
797751
Catalan Numbers
691
Christmas Trees
617
Collatz
677
719774
CSS Colors
227
Day of Week
826
Divisors
675
891830
Emojify
355
Evil Numbers
500
755602
Fibonacci
720
790545
Fizz Buzz
941
929
Foo Fizz Buzz Bar
860539900473
Leap Years
623
633
ln 2
669
Morse Encoder
213
Odious Numbers
498
726605
Pangram Grep
436
Prime Numbers
625
538
Prime Numbers (Long)
572
Recamán
563
Seven Segment
406
Tongue-twisters
575
United States
146
√2
708