12 Days of Christmas
873
99 Bottles of Beer
689
Abundant Numbers
728
ASCII Table
627
Catalan Numbers
766
Christmas Trees
581
Diamonds
441
Divisors
985
Emirp Numbers
608
Evil Numbers
582728
Fibonacci
555
Fizz Buzz
825929
Foo Fizz Buzz Bar
900
Fractions
525
Happy Numbers
589568
Happy Numbers (Long)
648
Intersection
626
ISBN
654
Kolakoski Constant
585
Kolakoski Sequence
824
Leap Years
727813815
Leyland Numbers
807
Niven Numbers
747
Odious Numbers
726
Ordinal Numbers
758
Pangram Grep
816
Pernicious Numbers
567
Prime Numbers
638665
Prime Numbers (Long)
680
Recamán
755
Reverse Polish Notation
864
Roman to Arabic
569
Smith Numbers
656
Spelling Numbers
432
Time Distance
810
Tongue-twisters
612
United States
Vampire Numbers
677
Van Eck Sequence
668
π
63
φ
877
√2
476