12 Days of Christmas
872
99 Bottles of Beer
812
Abundant Numbers
738
Abundant Numbers (Long)
877
Arabic to Roman
744
Arithmetic Numbers
732
Arrows
418
ASCII Table
580
Christmas Trees
718
Collatz
888
Cubes
521
Divisors
701
Emirp Numbers
617
Emirp Numbers (Long)
675
Evil Numbers
835
Evil Numbers (Long)
815
Factorial Factorisation
624
Fibonacci
911
Fizz Buzz
977
Foo Fizz Buzz Bar
819
Forsyth–Edwards Notation
614
Fractions
632
Happy Numbers
698
Happy Numbers (Long)
794
ISBN
729
Leap Years
865
Leyland Numbers
898
ln 2
81
Look and Say
595
Lucky Numbers
494
Odious Numbers
783
Odious Numbers (Long)
781
Prime Numbers
623
Prime Numbers (Long)
659
Roman to Arabic
617
Ten-pin Bowling
457
Time Distance
804