12 Days of Christmas
439
99 Bottles of Beer
414
Abundant Numbers
698
646
Arabic to Roman
446
Christmas Trees
603
743
CSS Colors
255
265
Cubes
498
Diamonds
521
Divisors
932
862
Emirp Numbers
478
511
Emojify
Evil Numbers
835
718
Fibonacci
934
937
Fizz Buzz
954
891
868
Happy Numbers
581
459
Intersection
511
Kolakoski Constant
397
436
Kolakoski Sequence
879
809
Leap Years
830
745
Levenshtein Distance
459
Leyland Numbers
764
717
Look and Say
906
Lucky Tickets
476
Morse Decoder
493
Morse Encoder
558
Niven Numbers
880
781
Odious Numbers
833
717
Ordinal Numbers
630
687
Pangram Grep
795
Pascal’s Triangle
844
Pernicious Numbers
686
676
Prime Numbers
891
813
Quine
888
Recamán
779
711
Rock-paper-scissors-Spock-lizard
415
Roman to Arabic
521
Rule 110
651
Seven Segment
417
Sierpiński Triangle
696
808
Tongue-twisters
360
Vampire Numbers
421
414
λ
459
404
π
657
τ
534
φ
608
400
√2
432
𝑒
615