12 Days of Christmas
859
99 Bottles of Beer
689
Abundant Numbers
724
ASCII Table
620
Catalan Numbers
761
Christmas Trees
578
Diamonds
437
Divisors
979
Emirp Numbers
606
Evil Numbers
580726
Fibonacci
554
Fizz Buzz
820926
Foo Fizz Buzz Bar
896
Fractions
525
Happy Numbers
581564
Happy Numbers (Long)
643
Intersection
622
ISBN
650
Kolakoski Constant
580
Kolakoski Sequence
824
Leap Years
711809813
Leyland Numbers
800
Niven Numbers
740
Odious Numbers
723
Ordinal Numbers
756
Pangram Grep
810
Pernicious Numbers
564
Prime Numbers
636665
Prime Numbers (Long)
678
Recamán
749
Reverse Polish Notation
864
Roman to Arabic
566
Smith Numbers
655
Spelling Numbers
409
Time Distance
805
Tongue-twisters
610
United States
Vampire Numbers
672
Van Eck Sequence
665
π
63
φ
871
√2
471