12 Days of Christmas
396
99 Bottles of Beer
465
Abundant Numbers
706
Abundant Numbers (Long)
773
Arabic to Roman
531
Arithmetic Numbers
619
Arrows
401
ASCII Table
457
Christmas Trees
622
Collatz
743
Cubes
354
Divisors
649
Emirp Numbers
498
Emirp Numbers (Long)
558
Evil Numbers
834
Evil Numbers (Long)
814
Factorial Factorisation
493
Fibonacci
908
Fizz Buzz
890
Foo Fizz Buzz Bar
650
Forsyth–Edwards Notation
498
Fractions
538
Happy Numbers
539
Happy Numbers (Long)
669
ISBN
567
Leap Years
862
Leyland Numbers
758
ln 2
79
Look and Say
480
Lucky Numbers
473
Odious Numbers
781
Odious Numbers (Long)
778
Prime Numbers
622
Prime Numbers (Long)
657
Roman to Arabic
464
Ten-pin Bowling
327
Time Distance
447