99 Bottles of Beer
192nd
Abundant Numbers
151st
Abundant Numbers (Long)
75th
Collatz
167th
CSS Colors
57th
Day of Week
78th
Divisors
138th
435th
1st
Evil Numbers
215th
Happy Numbers
7th
Leap Years
81st
31st
45th
44th
36th
60th
87th
27th
69th
372nd
9th
35th
Ordinal Numbers
1st
Pangram Grep
83rd
Pernicious Numbers
102nd
Pernicious Numbers (Long)
82nd
Quine
292nd
538th
π
130th