12 Days of Christmas
840
99 Bottles of Beer
734
Abundant Numbers
717
Arabic to Roman
841
Arrows
595
ASCII Table
787
Catalan Numbers
910
Christmas Trees
753
Collatz
887
Divisors
890
Emirp Numbers
579
Emojify
524
Evil Numbers
818
Evil Numbers (Long)
798
Fibonacci
934
Fizz Buzz
600
823
Foo Fizz Buzz Bar
626
870
Happy Numbers
879
Happy Numbers (Long)
812
Intersection
681
Inventory Sequence
775
ISBN
705
Kolakoski Sequence
822
Leap Years
815
Leyland Numbers
688
Lucky Numbers
533
Musical Chords
540
Niven Numbers
865
Niven Numbers (Long)
814
Number Spiral
247
Odious Numbers
851
Odious Numbers (Long)
829
Ordinal Numbers
813
Pangram Grep
769
Pascal’s Triangle
548
Pernicious Numbers
782
Pernicious Numbers (Long)
788
Prime Numbers
769
Prime Numbers (Long)
629
Quine
403
Recamán
805
Reverse Polish Notation
781
Rock-paper-scissors-Spock-lizard
802
Roman to Arabic
753
Seven Segment
511
Sierpiński Triangle
770
Tongue-twisters
669
United States
452
φ
938
√2
843
𝑒
722