12 Days of Christmas
313th
Abundant Numbers
129th
Abundant Numbers (Long)
69th
Catalan Numbers
84th
Christmas Trees
223rd
Collatz
191st
CSS Colors
64th
Cubes
174th
Divisors
115th
Emirp Numbers
14th
Emirp Numbers (Long)
76th
Evil Numbers
1st
Evil Numbers (Long)
35th
Fibonacci
183rd
Fizz Buzz
207th
Foo Fizz Buzz Bar
128th
Fractions
142nd
Game of Life
82nd
Happy Numbers
214th
Happy Numbers (Long)
120th
Inventory Sequence
85th
Kolakoski Sequence
63rd
Leap Years
141st
Leyland Numbers
86th
Look and Say
116th
Lucky Numbers
91st
Niven Numbers
71st
Niven Numbers (Long)
59th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
195th
Pangram Grep
89th
Pascal’s Triangle
43rd
Pernicious Numbers
89th
Pernicious Numbers (Long)
70th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
72nd
Recamán
127th
Reverse Polish Notation
68th
Smith Numbers
71st
Tongue-twisters
200th
United States
88th
Vampire Numbers
71st
Van Eck Sequence
83rd
π
212th
τ
165th
φ
163rd
√2
1st
𝑒
1st33rd