12 Days of Christmas
435
99 Bottles of Beer
462
Abundant Numbers
695636
Arabic to Roman
443
Christmas Trees
615733
CSS Colors
256267
Cubes
494
Diamonds
515
Divisors
911847
Emirp Numbers
476505
Emojify
Evil Numbers
834714
Fibonacci
932929
Fizz Buzz
952889862
Happy Numbers
579450
Intersection
484
Kolakoski Constant
378422
Kolakoski Sequence
862806
Leap Years
828738
Levenshtein Distance
456
Leyland Numbers
759699
Look and Say
858
Lucky Tickets
469
Morse Decoder
463
Morse Encoder
548
Niven Numbers
876766
Odious Numbers
831708
Ordinal Numbers
620683
Pangram Grep
780
Pascal’s Triangle
837
Pernicious Numbers
683666
Prime Numbers
891810
Quine
886
Recamán
774694
Rock-paper-scissors-Spock-lizard
413
Roman to Arabic
512
Rule 110
634
Seven Segment
409
Sierpiński Triangle
689787
Tongue-twisters
354
Vampire Numbers
417399
λ
447399
π
τ
φ
608
√2
𝑒
606