12 Days of Christmas
279th
Abundant Numbers
111th
Abundant Numbers (Long)
58th
Catalan Numbers
69th
Christmas Trees
199th
Collatz
156th
CSS Colors
55th
Cubes
158th
Divisors
99th
Emirp Numbers
10th
Emirp Numbers (Long)
64th
Evil Numbers
1st
Evil Numbers (Long)
32nd
Fibonacci
154th
Fizz Buzz
181st
Foo Fizz Buzz Bar
108th
Fractions
120th
Game of Life
66th
Happy Numbers
190th
Happy Numbers (Long)
106th
Inventory Sequence
68th
Kolakoski Sequence
54th
Leap Years
120th
Leyland Numbers
72nd
Look and Say
100th
Lucky Numbers
81st
Niven Numbers
58th
Niven Numbers (Long)
45th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
171st
Pangram Grep
76th
Pascal’s Triangle
34th
Pernicious Numbers
75th
Pernicious Numbers (Long)
55th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
56th
Recamán
109th
Reverse Polish Notation
60th
Smith Numbers
62nd
Tongue-twisters
176th
United States
78th
Vampire Numbers
58th
Van Eck Sequence
63rd
π
183rd
τ
140th
φ
138th
√2
1st
𝑒
1st30th