12 Days of Christmas
872
99 Bottles of Beer
812
Abundant Numbers
738
Abundant Numbers (Long)
876
Arabic to Roman
743
Arithmetic Numbers
731
Arrows
417
ASCII Table
580
Christmas Trees
717
Collatz
887
Cubes
521
Divisors
701
Emirp Numbers
616
Emirp Numbers (Long)
674
Evil Numbers
835
Evil Numbers (Long)
815
Factorial Factorisation
623
Fibonacci
910
Fizz Buzz
977
Foo Fizz Buzz Bar
818
Forsyth–Edwards Notation
613
Fractions
631
Happy Numbers
698
Happy Numbers (Long)
794
ISBN
728
Leap Years
865
Leyland Numbers
897
ln 2
81
Look and Say
594
Lucky Numbers
494
Odious Numbers
783
Odious Numbers (Long)
781
Prime Numbers
623
Prime Numbers (Long)
658
Roman to Arabic
616
Ten-pin Bowling
457
Time Distance
803