Abundant Numbers
577547561761
634
Arrows
478
Collatz
693
627
CSS Colors
82
Emirp Numbers
297
Evil Numbers
785
Fibonacci
935
Fizz Buzz
750
672
891517
Foo Fizz Buzz Bar
729
783
Fractions
620
Happy Numbers
486
Happy Numbers (Long)
611
ISBN
439
Niven Numbers
546
771
Odious Numbers
783
Ordinal Numbers
739
Pangram Grep
691
Pernicious Numbers
362
Prime Numbers
456
Prime Numbers (Long)
342
Quine
686674946
RecamΓ‘n
420
Smith Numbers
394
Tongue-twisters
408
495
United States
156
β2
674
π
669