12 Days of Christmas
321st
Abundant Numbers
91st
Abundant Numbers (Long)
71st
Arithmetic Numbers
50th10th
ASCII Table
408th
Catalan Numbers
39th77th
Collatz
27th31st
Divisors
1st
Emirp Numbers
201st
Emirp Numbers (Long)
68th
Evil Numbers
124th
Evil Numbers (Long)
33rd
Farey Sequence
109th
Fibonacci
173rd
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Fractions
86th
Happy Numbers
191st
Happy Numbers (Long)
103rd
Inventory Sequence
91st
Kolakoski Sequence
108th
Leap Years
107th
Leyland Numbers
7th
Look and Say
21st
Niven Numbers
67th
Niven Numbers (Long)
37th
Odious Numbers
145th
Odious Numbers (Long)
100th
Pangram Grep
52nd
Pascal’s Triangle
118th
Pernicious Numbers
84th
Pernicious Numbers (Long)
188th
Prime Numbers
74th73rd
Prime Numbers (Long)
185th
Quine
65th
Recamán
86th
Reverse Polish Notation
163rd
Smith Numbers
28th
Spelling Numbers
34th
United States
43rd
Vampire Numbers
28th
Van Eck Sequence
104th
π
122nd62nd202nd473rd99th