Abundant Numbers
450
688720
Abundant Numbers (Long)
709
Arithmetic Numbers
514
808751
Catalan Numbers
691
Christmas Trees
616
Collatz
677
719795
CSS Colors
227
Day of Week
825
Divisors
675
891830
Emojify
355
Evil Numbers
500
755602
Fibonacci
720
789544
Fizz Buzz
941
929
Foo Fizz Buzz Bar
861540900474
Leap Years
638
633
ln 2
668
Morse Encoder
213
Odious Numbers
498
726605
Pangram Grep
436
Prime Numbers
625
538
Prime Numbers (Long)
571
Recamán
563
Seven Segment
409
Tongue-twisters
575
United States
146
√2
707