99 Bottles of Beer
365
Abundant Numbers
700
Divisors
844
Emirp Numbers
470
Emojify
425
Evil Numbers
800
Fibonacci
947
Fizz Buzz
883
Happy Numbers
480
Leap Years
683
Niven Numbers
638
Odious Numbers
800
Pangram Grep
Pernicious Numbers
442
702
Prime Numbers
656
Rule 110
6
Tongue-twisters
313
Vampire Numbers
93
415
λ
102
π
163
59
25
78
57
39
τ
57
φ
51
√2
48
𝑒
47