12 Days of Christmas
15th121st
55th
99 Bottles of Beer
472nd
Abundant Numbers
249th
Abundant Numbers (Long)
165th
Arabic to Roman
331st
Arithmetic Numbers
258th
Ascending Primes
41st
ASCII Table
171st
Card Number Validation
89th
Catalan Numbers
222nd
Christmas Trees
62nd
Collatz
330th
CSS Colors
178th
Day of Week
1st
116th
Diamonds
99th
Divisors
331st
Emirp Numbers
311th
Emirp Numbers (Long)
146th
Evil Numbers
365th
Evil Numbers (Long)
251st
Fibonacci
110th
843rd
Fizz Buzz
161st616th473rd298th63rd63rd450th393rd321st839th140th
Foo Fizz Buzz Bar
310th
Forsyth–Edwards Notation
73rd
Fractions
410th
Happy Numbers
265th
Happy Numbers (Long)
153rd
ISBN
109th
Leap Years
158th
Leyland Numbers
191st
Lucky Numbers
169th
Niven Numbers
130th
27th
126th
Niven Numbers (Long)
165th
Odious Numbers
272nd
Odious Numbers (Long)
196th
Ordinal Numbers
35th
227th
PalindromemordnilaP
31st
Pangram Grep
21st
235th
Pascal’s Triangle
506th
Pernicious Numbers
251st
Pernicious Numbers (Long)
142nd
Prime Numbers
430th
Prime Numbers (Long)
197th
Quine
63rd
Reverse Polish Notation
107th
Rock-paper-scissors-Spock-lizard
179th
Roman to Arabic
146th
ROT13
176th
Seven Segment
249th
Spelling Numbers
11th
88th
Tic-tac-toe
51st
Time Distance
117th
Tongue-twisters
156th
Transpose Sentence
121st
United States
88th