Abundant Numbers
619608606769
661
Arrows
427
Collatz
696
748
CSS Colors
188
Emirp Numbers
366
Evil Numbers
785
Fibonacci
934
Fizz Buzz
753
674
977520
Foo Fizz Buzz Bar
735
986
Fractions
729
Happy Numbers
498
Happy Numbers (Long)
495
ISBN
561
Niven Numbers
549
773
Odious Numbers
783
Ordinal Numbers
717
Pangram Grep
815
Pernicious Numbers
362
Prime Numbers
456
Prime Numbers (Long)
342
Quine
685673946
RecamΓ‘n
466
Smith Numbers
536
Tongue-twisters
586
750
United States
177
β2
677
π
670