12 Days of Christmas
29th
99 Bottles of Beer
31st170th
Abundant Numbers
35th61st33rd208th
Abundant Numbers (Long)
34th37th32nd114th
Arabic to Roman
18th
Arithmetic Numbers
22nd
29th79th
Arrows
13th
18th
Catalan Numbers
19th
Christmas Trees
30th
Collatz
43rd
36th
Day of Week
31st
Divisors
55th
Evil Numbers
92nd
Evil Numbers (Long)
53rd
Fibonacci
110th
100th179th
Fizz Buzz
131st96th
68th1st
Leap Years
74th
Levenshtein Distance
15th
Look and Say
16th
Niven Numbers
77th
Niven Numbers (Long)
42nd
Odious Numbers
81st
Odious Numbers (Long)
50th
Ordinal Numbers
22nd
Pangram Grep
47th
Prime Numbers
42nd
Prime Numbers (Long)
32nd
Quine
41st
Time Distance
11th
Tongue-twisters
21st
π
35th