12 Days of Christmas
226th
99 Bottles of Beer
390th
Abundant Numbers
307th
Abundant Numbers (Long)
141st
Arithmetic Numbers
98th
Arrows
121st
brainfuck
127th
Card Number Validation
59th
Collatz
232nd
CSS Colors
126th
Day of Week
120th
Divisors
526th
Emirp Numbers
205th
Emirp Numbers (Long)
69th
Evil Numbers
417th
Evil Numbers (Long)
141st
Fibonacci
761st
Fizz Buzz
390th
Foo Fizz Buzz Bar
178th
Forsyth–Edwards Notation
57th
Fractions
120th
Happy Numbers
215th
Happy Numbers (Long)
95th
ISBN
108th
Leap Years
397th
Look and Say
124th
Lucky Numbers
71st
Morse Decoder
78th
Morse Encoder
89th
Niven Numbers
327th
Niven Numbers (Long)
125th
Odious Numbers
320th
Odious Numbers (Long)
117th
Pernicious Numbers
191st
ROT13
46th
United States
120th
Zeckendorf Representation
41st
π
104th