12 Days of Christmas
821832
99 Bottles of Beer
588
Abundant Numbers
718
Arabic to Roman
612
Arrows
479
Christmas Trees
693
Cubes
538
Diamonds
587
Divisors
890802
Emirp Numbers
565
Emojify
352
Evil Numbers
755
Fibonacci
789786
Fizz Buzz
768705
Fractions
621991
Happy Numbers
633
Happy Numbers (Long)
713
Intersection
420
Kolakoski Constant
631
Kolakoski Sequence
612547
Leap Years
642
Leyland Numbers
887
Look and Say
529
Morse Decoder
115
Morse Encoder
125
Niven Numbers
677
Odious Numbers
784
Ordinal Numbers
692
Pangram Grep
815
Pascal’s Triangle
711
Pernicious Numbers
331
Prime Numbers
643662
Recamán
663
Rock-paper-scissors-Spock-lizard
591
Roman to Arabic
569
Seven Segment
545
Sierpiński Triangle
99
Smith Numbers
765
Tongue-twisters
657
United States
311
Vampire Numbers
443
Van Eck Sequence
465
λ
148
π
425
τ
424
φ
708
√2
711
𝑒
626609