12 Days of Christmas
830
99 Bottles of Beer
706
Abundant Numbers
813
Arabic to Roman
574
362
Arrows
brainfuck
Christmas Trees
582
CSS Colors
213
Cubes
47
Diamonds
491
Divisors
845
Emirp Numbers
696
Evil Numbers
662
Fibonacci
920
Fizz Buzz
758
Fractions
550
Happy Numbers
610
Happy Numbers (Long)
552
Kolakoski Constant
115
Kolakoski Sequence
29
Leap Years
885
Leyland Numbers
127
Look and Say
62
Niven Numbers
907
Odious Numbers
649
Ordinal Numbers
538
Pangram Grep
395
Pascal’s Triangle
520
Pernicious Numbers
414
Prime Numbers
867
357
Quine
1,000821,000923527901321,0004926001631,0008549586301,0007351,0001,0006328931,00072030496963092668289371918058
Recamán
74
Rule 110
Sierpiński Triangle
102
Smith Numbers
51
Tongue-twisters
532
United States
179
Vampire Numbers
112
Van Eck Sequence
25
λ
283
π
106
τ
106
φ
110
√2
108
𝑒
86