12 Days of Christmas
361st
Abundant Numbers
147th
Abundant Numbers (Long)
83rd
Catalan Numbers
104th
Christmas Trees
256th
Collatz
219th
CSS Colors
68th
Cubes
193rd
Divisors
126th
Emirp Numbers
17th
Emirp Numbers (Long)
92nd
Evil Numbers
1st
Evil Numbers (Long)
47th
Fibonacci
212th
Fizz Buzz
238th
Foo Fizz Buzz Bar
149th
Fractions
167th
Game of Life
101st
Happy Numbers
234th
Happy Numbers (Long)
143rd
Inventory Sequence
111th
Kolakoski Sequence
71st
Leap Years
163rd
Leyland Numbers
93rd
Look and Say
147th
Lucky Numbers
107th
Niven Numbers
94th
Niven Numbers (Long)
70th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
212th
Pangram Grep
98th
Pascal’s Triangle
49th
Pernicious Numbers
106th
Pernicious Numbers (Long)
96th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
92nd
Recamán
149th
Reverse Polish Notation
81st
Smith Numbers
84th
Tongue-twisters
222nd
United States
105th
Vampire Numbers
82nd
Van Eck Sequence
96th
π
239th
τ
186th
φ
179th
√2
1st
𝑒
1st45th