12 Days of Christmas
858
99 Bottles of Beer
687
Abundant Numbers
724
ASCII Table
620
Catalan Numbers
761
Christmas Trees
577
Diamonds
437
Divisors
979
Emirp Numbers
606
Evil Numbers
580726
Fibonacci
554
Fizz Buzz
819926
Foo Fizz Buzz Bar
895
Fractions
524
Happy Numbers
582564
Happy Numbers (Long)
643
Intersection
622
ISBN
650
Kolakoski Constant
579
Kolakoski Sequence
821
Leap Years
724809813
Leyland Numbers
801
Niven Numbers
740
Odious Numbers
723
Ordinal Numbers
754
Pangram Grep
811
Pernicious Numbers
564
Prime Numbers
636665
Prime Numbers (Long)
678
Recamán
749
Reverse Polish Notation
849
Roman to Arabic
566
Smith Numbers
654
Spelling Numbers
402
Time Distance
794
Tongue-twisters
610
United States
Vampire Numbers
668
Van Eck Sequence
666
π
63
φ
871
√2
471