12 Days of Christmas
446
99 Bottles of Beer
421
Abundant Numbers
710
667
Arabic to Roman
463
Christmas Trees
614
770
CSS Colors
267
291
Cubes
512
Diamonds
540
Divisors
947
891
Emirp Numbers
487
526
Emojify
Evil Numbers
851
743
Fibonacci
947
962
Fizz Buzz
966
898
882
Happy Numbers
593
469
Intersection
545
Kolakoski Constant
412
455
Kolakoski Sequence
912
865
Leap Years
843
767
Levenshtein Distance
473
Leyland Numbers
785
746
Look and Say
946
Lucky Tickets
510
Morse Decoder
500
Morse Encoder
576
Niven Numbers
898
806
Odious Numbers
851
743
Ordinal Numbers
647
719
Pangram Grep
830
Pascal’s Triangle
889
Pernicious Numbers
702
700
Prime Numbers
909
844
Quine
926
Recamán
797
737
Rock-paper-scissors-Spock-lizard
415
Roman to Arabic
543
Rule 110
675
Seven Segment
433
Sierpiński Triangle
711
836
Tongue-twisters
366
Vampire Numbers
433
435
λ
470
416
π
677
τ
553
φ
627
417
√2
449
𝑒
639