12 Days of Christmas
231st
99 Bottles of Beer
396th
Abundant Numbers
313th
Abundant Numbers (Long)
146th
Arithmetic Numbers
104th
Arrows
126th
brainfuck
130th
Card Number Validation
67th
Collatz
242nd
CSS Colors
129th
Day of Week
127th
Divisors
533rd
Emirp Numbers
212th
Emirp Numbers (Long)
75th
Evil Numbers
424th
Evil Numbers (Long)
147th
Fibonacci
774th
Fizz Buzz
395th
Foo Fizz Buzz Bar
181st
Forsyth–Edwards Notation
60th
Fractions
122nd
Happy Numbers
219th
Happy Numbers (Long)
97th
ISBN
112th
Leap Years
400th
Look and Say
130th
Lucky Numbers
74th
Morse Decoder
79th
Morse Encoder
92nd
Niven Numbers
334th
Niven Numbers (Long)
130th
Odious Numbers
325th
Odious Numbers (Long)
122nd
Pernicious Numbers
194th
ROT13
57th
United States
125th
Zeckendorf Representation
43rd
π
109th