12 Days of Christmas
817
99 Bottles of Beer
696
Abundant Numbers
796
Arabic to Roman
544
345
brainfuck
128
Christmas Trees
555
CSS Colors
188
Cubes
45
Diamonds
467
Divisors
816
Emirp Numbers
658
Evil Numbers
634
Fibonacci
893
Fizz Buzz
744
Fractions
510
Happy Numbers
578
Happy Numbers (Long)
526
Kolakoski Constant
109
Kolakoski Sequence
27
Leap Years
856
Leyland Numbers
119
Look and Say
57
Niven Numbers
873
Odious Numbers
630
Ordinal Numbers
508
Pascal’s Triangle
489
Pernicious Numbers
392
Prime Numbers
830
335
Quine
1,000
75
966
859
517
845
28
455
554
148
673
807
872
601
931
712
939
944
943
581
813
956
676
288
945
601
888
935
815
666
167
57Recamán
70
Sierpiński Triangle
98
Smith Numbers
49
Tongue-twisters
522
United States
176
Vampire Numbers
105
Van Eck Sequence
23
λ
363
π
104
τ
101
φ
102
√2
101
𝑒
83