12 Days of Christmas
402
99 Bottles of Beer
464
Abundant Numbers
708
Abundant Numbers (Long)
777
Arabic to Roman
531
Arithmetic Numbers
624
Arrows
401
ASCII Table
457
Christmas Trees
625
Collatz
745
Cubes
369
Divisors
665
Emirp Numbers
500
Emirp Numbers (Long)
562
Evil Numbers
836
Evil Numbers (Long)
816
Factorial Factorisation
498
Fibonacci
911
Fizz Buzz
891
Foo Fizz Buzz Bar
650
Forsyth–Edwards Notation
505
Fractions
538
Happy Numbers
541
Happy Numbers (Long)
674
ISBN
570
Leap Years
865
Leyland Numbers
765
ln 2
79
Look and Say
484
Lucky Numbers
477
Odious Numbers
784
Odious Numbers (Long)
782
Prime Numbers
623
Prime Numbers (Long)
659
Roman to Arabic
467
Ten-pin Bowling
328
Time Distance
447