Abundant Numbers
567
Arabic to Roman
561
Divisors
716
Emirp Numbers
589
Evil Numbers
957
Fibonacci
864
Fizz Buzz
973
Foo Fizz Buzz Bar
981
Happy Numbers
694
Kolakoski Constant
66
Kolakoski Sequence
677
Leap Years
729
Leyland Numbers
698
Niven Numbers
641
Ordinal Numbers
416
Pangram Grep
801
Pernicious Numbers
638
Prime Numbers
871
Prime Numbers (Long)
950
Recamán
739
Rock-paper-scissors-Spock-lizard
452
Tongue-twisters
517488
λ
146
π
460
τ
453
φ
51
√2
47
𝑒
46