12 Days of Christmas
877
99 Bottles of Beer
689
Abundant Numbers
728
ASCII Table
626
Catalan Numbers
765
Christmas Trees
581
Diamonds
441
Divisors
984
Emirp Numbers
617
Evil Numbers
581727
Fibonacci
555
Fizz Buzz
825929
Foo Fizz Buzz Bar
900
Fractions
524
Happy Numbers
587568
Happy Numbers (Long)
647
Intersection
624
ISBN
653
Kolakoski Constant
602
Kolakoski Sequence
823
Leap Years
727870815
Leyland Numbers
806
Niven Numbers
746
Odious Numbers
726
Ordinal Numbers
766
Pangram Grep
815
Pernicious Numbers
567
Prime Numbers
636665
Prime Numbers (Long)
680
Recamán
755
Reverse Polish Notation
862
Roman to Arabic
569
Smith Numbers
655
Spelling Numbers
431
Time Distance
810
Tongue-twisters
612
United States
Vampire Numbers
676
Van Eck Sequence
667
π
63
φ
876
√2
476