99 Bottles of Beer
619
Christmas Trees
706
Divisors
705
Emirp Numbers
502
Evil Numbers
619
Fibonacci
899
Fizz Buzz
938
Happy Numbers
509
Niven Numbers
928
Odious Numbers
618
Pangram Grep
520
Pascal’s Triangle
458
Pernicious Numbers
450
Prime Numbers
613
Quine
847
836
Sierpiński Triangle
115
λ
383
π
587
τ
181
φ
145
𝑒
146