12 Days of Christmas
435
99 Bottles of Beer
462
Abundant Numbers
695636
Arabic to Roman
445
Christmas Trees
615734
CSS Colors
256267
Cubes
499
Diamonds
515
Divisors
911847
Emirp Numbers
476505
Emojify
Evil Numbers
834714
Fibonacci
932929
Fizz Buzz
953890864
Happy Numbers
579450
Intersection
483
Kolakoski Constant
379425
Kolakoski Sequence
865813
Leap Years
828738
Levenshtein Distance
458
Leyland Numbers
758699
Look and Say
857
Lucky Tickets
468
Morse Decoder
467
Morse Encoder
551
Niven Numbers
876766
Odious Numbers
831708
Ordinal Numbers
621689
Pangram Grep
779
Pascal’s Triangle
836
Pernicious Numbers
683666
Prime Numbers
891810
Quine
886
Recamán
774694
Rock-paper-scissors-Spock-lizard
412
Roman to Arabic
512
Rule 110
634
Seven Segment
408
Sierpiński Triangle
690788
Tongue-twisters
354
Vampire Numbers
420404
λ
447400
π
τ
φ
607
√2
𝑒
606