12 Days of Christmas
818
99 Bottles of Beer
669
Abundant Numbers
786
Arabic to Roman
543
341
Arrows
brainfuck
Christmas Trees
550
CSS Colors
189
Cubes
45
Diamonds
468
Divisors
818
Emirp Numbers
659
Evil Numbers
611
Fibonacci
896
Fizz Buzz
745
Fractions
513
Happy Numbers
580
Happy Numbers (Long)
521
Kolakoski Constant
107
Kolakoski Sequence
27
Leap Years
858
Leyland Numbers
117
Look and Say
58
Niven Numbers
876
Odious Numbers
608
Ordinal Numbers
509
Pangram Grep
373
Pascal’s Triangle
492
Pernicious Numbers
394
Prime Numbers
832
337
Quine
1,000769678635058492994845855613393380987990459871494294758482195867928894760389064382166916851
Recamán
71
Rule 110
Sierpiński Triangle
98
Smith Numbers
47
Tongue-twisters
522
United States
160
Vampire Numbers
105
Van Eck Sequence
23
λ
267
π
100
τ
98
φ
101
√2
100
𝑒
81