12 Days of Christmas
185th
Abundant Numbers
127th
Collatz
187th
Divisors
307th
Evil Numbers
141st
Fibonacci
293rd
Fizz Buzz
399th881st
Foo Fizz Buzz Bar
106th
Fractions
91st
Happy Numbers
193rd
Happy Numbers (Long)
94th
Hexdump
35th
Intersection
106th
ISBN
69th
Look and Say
84th
Ordinal Numbers
113th
Prime Numbers
204th
Quine
30th840th
Seven Segment
95th
Sierpiński Triangle
92nd
Tongue-twisters
102nd
Zodiac Signs
29th