Abundant Numbers
577551561761
634
Arrows
478
Collatz
692
628
CSS Colors
82
Emirp Numbers
297
Evil Numbers
785
Fibonacci
935
Fizz Buzz
750
672
891517
Foo Fizz Buzz Bar
729
783
Fractions
621
Happy Numbers
486
Happy Numbers (Long)
611
ISBN
439
Niven Numbers
547
771
Odious Numbers
784
Ordinal Numbers
739
Pangram Grep
691
Pernicious Numbers
362
Prime Numbers
456
Prime Numbers (Long)
343
Quine
686674946
Recamán
420
Smith Numbers
394
Tongue-twisters
408
495
United States
156
√2
675
𝑒
669