12 Days of Christmas
31st
99 Bottles of Beer
37th156th
Abundant Numbers
41st65th48th222nd
Abundant Numbers (Long)
39th39th57th126th
Arabic to Roman
25th
Arithmetic Numbers
25th
37th91st
Arrows
15th
22nd
Catalan Numbers
23rd
Christmas Trees
35th
Collatz
49th
50th
Day of Week
36th
Divisors
63rd
Evil Numbers
99th
Evil Numbers (Long)
59th
Fibonacci
124th
118th196th
Fizz Buzz
137th103rd
86th1st
Leap Years
94th
Levenshtein Distance
19th
Look and Say
22nd
Niven Numbers
82nd
Niven Numbers (Long)
46th
Odious Numbers
86th
Odious Numbers (Long)
55th
Ordinal Numbers
29th
Pangram Grep
54th
Prime Numbers
53rd
Prime Numbers (Long)
43rd
Quine
52nd
Time Distance
17th
Tongue-twisters
23rd
π
38th