12 Days of Christmas
466
99 Bottles of Beer
524
Abundant Numbers
731
Arabic to Roman
543
279
Arrows
brainfuck
Christmas Trees
554
CSS Colors
101
Cubes
61
Diamonds
465
Divisors
818
Emirp Numbers
526
Evil Numbers
623
Fibonacci
876
Fizz Buzz
743
Fractions
512
Happy Numbers
427
Happy Numbers (Long)
512
Kolakoski Constant
106
Kolakoski Sequence
26
Leap Years
857
Leyland Numbers
117
Look and Say
58
Niven Numbers
871
Odious Numbers
620
Ordinal Numbers
459
Pangram Grep
298
Pascal’s Triangle
492
Pernicious Numbers
386
Prime Numbers
816
337
Quine
1,0009678624938492994845855613393180987790393571394294658482095867928894660288964382066816857
Recamán
69
Rule 110
Sierpiński Triangle
132
Smith Numbers
47
Tongue-twisters
363
United States
144
Vampire Numbers
104
Van Eck Sequence
23
λ
197
π
100
τ
98
φ
98
√2
99
𝑒
80