Abundant Numbers
620614606524
661
Arrows
427
Collatz
695
749
CSS Colors
187
Emirp Numbers
366
Evil Numbers
785
Fibonacci
935
Fizz Buzz
753
675
977520
Foo Fizz Buzz Bar
736
986
Fractions
730
Happy Numbers
498
Happy Numbers (Long)
496
ISBN
562
Niven Numbers
550
773
Odious Numbers
784
Ordinal Numbers
718
Pangram Grep
815
Pernicious Numbers
362
Prime Numbers
456
Prime Numbers (Long)
343
Quine
439674946
Recamán
466
Smith Numbers
536
Tongue-twisters
586
750
United States
172
√2
677
𝑒
671