12 Days of Christmas
54
99 Bottles of Beer
665
Abundant Numbers
778
Arabic to Roman
528
338
Arrows
brainfuck
Christmas Trees
544
CSS Colors
189
Cubes
44
Diamonds
433
Divisors
810
Emirp Numbers
656
Evil Numbers
610
Fibonacci
893
Fizz Buzz
741
Fractions
514
Happy Numbers
575
Happy Numbers (Long)
514
Kolakoski Constant
105
Kolakoski Sequence
27
Leap Years
855
Leyland Numbers
116
Look and Say
57
Niven Numbers
862
Odious Numbers
593
Ordinal Numbers
505
Pangram Grep
367
Pascal’s Triangle
489
Pernicious Numbers
392
Prime Numbers
832
336
Quine
9867596286449284929943455555133933807879932598712938945583821953677286945495886642821666167116
Recamán
70
Rule 110
Sierpiński Triangle
99
Smith Numbers
47
Tongue-twisters
522
United States
158
Vampire Numbers
103
Van Eck Sequence
23
λ
260
π
100
τ
98
φ
101
√2
96
𝑒
80