12 Days of Christmas
817
99 Bottles of Beer
693
Abundant Numbers
784
Arabic to Roman
542
341
Arrows
brainfuck
Christmas Trees
556
CSS Colors
188
Cubes
45
Diamonds
468
Divisors
817
Emirp Numbers
658
Evil Numbers
635
Fibonacci
894
Fizz Buzz
745
Fractions
511
Happy Numbers
580
Happy Numbers (Long)
521
Kolakoski Constant
106
Kolakoski Sequence
27
Leap Years
857
Leyland Numbers
117
Look and Say
58
Niven Numbers
874
Odious Numbers
619
Ordinal Numbers
508
Pangram Grep
372
Pascal’s Triangle
491
Pernicious Numbers
393
Prime Numbers
831
336
Quine
1,000759678615058482994645655514892980887560293371394094458381895767828894660288964281966716757
Recamán
71
Rule 110
Sierpiński Triangle
98
Smith Numbers
48
Tongue-twisters
522
United States
170
Vampire Numbers
105
Van Eck Sequence
23
λ
267
π
100
τ
98
φ
101
√2
100
𝑒
81