12 Days of Christmas
435
99 Bottles of Beer
462
Abundant Numbers
695636
Arabic to Roman
443
Christmas Trees
615734
CSS Colors
256267
Cubes
494
Diamonds
514
Divisors
911847
Emirp Numbers
476505
Emojify
Evil Numbers
834714
Fibonacci
932929
Fizz Buzz
952890863
Happy Numbers
579450
Intersection
484
Kolakoski Constant
378422
Kolakoski Sequence
862806
Leap Years
828738
Levenshtein Distance
455
Leyland Numbers
758699
Look and Say
857
Lucky Tickets
468
Morse Decoder
463
Morse Encoder
551
Niven Numbers
876766
Odious Numbers
831708
Ordinal Numbers
622689
Pangram Grep
779
Pascal’s Triangle
837
Pernicious Numbers
683666
Prime Numbers
891810
Quine
886
Recamán
774694
Rock-paper-scissors-Spock-lizard
412
Roman to Arabic
512
Rule 110
633
Seven Segment
408
Sierpiński Triangle
690788
Tongue-twisters
354
Vampire Numbers
417400
λ
447400
π
τ
φ
607
√2
𝑒
606