12 Days of Christmas
919
99 Bottles of Beer
764
Abundant Numbers
728847
Arabic to Roman
601
Christmas Trees
710886
CSS Colors
582634
Cubes
696
Diamonds
593
Divisors
984924
Emirp Numbers
581726
Emojify
Evil Numbers
836746
Fibonacci
935938
Fizz Buzz
958977968
Happy Numbers
750737
Intersection
587
Kolakoski Constant
444507
Kolakoski Sequence
881811
Leap Years
831748
Levenshtein Distance
588
Leyland Numbers
899797
Look and Say
891
Lucky Tickets
587
Morse Decoder
726
Morse Encoder
713
Niven Numbers
884919
Odious Numbers
834771
Ordinal Numbers
774725
Pangram Grep
780
Pascal’s Triangle
907
Pernicious Numbers
686700
Prime Numbers
892931
Quine
185
Recamán
864715
Rock-paper-scissors-Spock-lizard
684
Roman to Arabic
613
Rule 110
671
Seven Segment
580
Sierpiński Triangle
717848
Tongue-twisters
596
Vampire Numbers
163155
λ
230214
π
658
τ
535
φ
623405
√2
438
𝑒
619