12 Days of Christmas
27th
99 Bottles of Beer
31st147th
Abundant Numbers
37th62nd39th212th
Abundant Numbers (Long)
36th37th53rd116th
Arabic to Roman
19th
Arithmetic Numbers
23rd
31st81st
Arrows
15th
20th
Catalan Numbers
19th
Christmas Trees
30th
Collatz
45th
42nd
Day of Week
32nd
Divisors
58th
Evil Numbers
93rd
Evil Numbers (Long)
55th
Fibonacci
115th
107th183rd
Fizz Buzz
135th98th
77th1st
Leap Years
83rd
Levenshtein Distance
15th
Look and Say
16th
Niven Numbers
80th
Niven Numbers (Long)
45th
Odious Numbers
82nd
Odious Numbers (Long)
51st
Ordinal Numbers
22nd
Pangram Grep
48th
Prime Numbers
48th
Prime Numbers (Long)
37th
Quine
46th
Time Distance
12th
Tongue-twisters
22nd
π
33rd