12 Days of Christmas
910
99 Bottles of Beer
758
Abundant Numbers
724830
Arabic to Roman
599
Christmas Trees
705855
CSS Colors
582637
Cubes
644
Diamonds
579
Divisors
979908
Emirp Numbers
579719
Emojify
Evil Numbers
834741
Fibonacci
932929
Fizz Buzz
952973956
Happy Numbers
746725
Intersection
574
Kolakoski Constant
439495
Kolakoski Sequence
879806
Leap Years
829740
Levenshtein Distance
583
Leyland Numbers
892776
Look and Say
891
Lucky Tickets
576
Morse Decoder
708
Morse Encoder
702
Niven Numbers
876895
Odious Numbers
831762
Ordinal Numbers
762713
Pangram Grep
780
Pascal’s Triangle
898
Pernicious Numbers
683690
Prime Numbers
891928
Quine
886
Recamán
857694
Rock-paper-scissors-Spock-lizard
667
Roman to Arabic
601
Rule 110
653
Seven Segment
562
Sierpiński Triangle
709810
Tongue-twisters
597
Vampire Numbers
160151
λ
211198
π
τ
φ
619
√2
𝑒
606