99 Bottles of Beer
192nd
Abundant Numbers
151st
Abundant Numbers (Long)
75th
Collatz
167th
CSS Colors
57th
Day of Week
79th
Divisors
138th
436th
1st
Evil Numbers
215th
Happy Numbers
7th
Leap Years
81st
31st
45th
44th
36th
60th
87th
27th
69th
372nd
9th
35thOrdinal Numbers
1st
Pangram Grep
83rd
Pernicious Numbers
103rd
Pernicious Numbers (Long)
83rd
Quine
292nd
539th
π
130th