12 Days of Christmas
439
99 Bottles of Beer
414
Abundant Numbers
698646
Arabic to Roman
446
Christmas Trees
603743
CSS Colors
255265
Cubes
498
Diamonds
521
Divisors
933862
Emirp Numbers
478511
Emojify
Evil Numbers
835718
Fibonacci
934937
Fizz Buzz
954891868
Happy Numbers
581459
Intersection
511
Kolakoski Constant
398436
Kolakoski Sequence
879810
Leap Years
830745
Levenshtein Distance
459
Leyland Numbers
764717
Look and Say
873
Lucky Tickets
476
Morse Decoder
493
Morse Encoder
558
Niven Numbers
881782
Odious Numbers
833717
Ordinal Numbers
630687
Pangram Grep
795
Pascal’s Triangle
844
Pernicious Numbers
686676
Prime Numbers
891813
Quine
889
Recamán
779711
Rock-paper-scissors-Spock-lizard
415
Roman to Arabic
521
Rule 110
652
Seven Segment
417
Sierpiński Triangle
696808
Tongue-twisters
360
Vampire Numbers
422414
λ
459404
π
658
τ
534
φ
608400
√2
432
𝑒
615