12 Days of Christmas
293rd
Abundant Numbers
84th
Abundant Numbers (Long)
64th
Arithmetic Numbers
45th10th
ASCII Table
357th
Catalan Numbers
36th69th
Collatz
26th24th
Divisors
1st
Emirp Numbers
186th
Emirp Numbers (Long)
62nd
Evil Numbers
110th
Evil Numbers (Long)
32nd
Farey Sequence
92nd
Fibonacci
154th
Fizz Buzz
52nd
Foo Fizz Buzz Bar
1st
Fractions
75th
Happy Numbers
178th
Happy Numbers (Long)
97th
Inventory Sequence
76th
Kolakoski Sequence
96th
Leap Years
95th
Leyland Numbers
6th
Look and Say
20th
Niven Numbers
58th
Niven Numbers (Long)
33rd
Odious Numbers
133rd
Odious Numbers (Long)
88th
Pangram Grep
45th
Pascal’s Triangle
105th
Pernicious Numbers
75th
Pernicious Numbers (Long)
167th
Prime Numbers
69th64th
Prime Numbers (Long)
165th
Quine
56th
Recamán
78th
Reverse Polish Notation
146th
Smith Numbers
25th
Spelling Numbers
30th
United States
37th
Vampire Numbers
27th
Van Eck Sequence
87th
π
117th55th180th429th96th