12 Days of Christmas
310th
Abundant Numbers
128th
Abundant Numbers (Long)
69th
Catalan Numbers
81st
Christmas Trees
219th
Collatz
188th
CSS Colors
63rd
Cubes
172nd
Divisors
115th
Emirp Numbers
12th
Emirp Numbers (Long)
74th
Evil Numbers
1st
Evil Numbers (Long)
35th
Fibonacci
179th
Fizz Buzz
205th
Foo Fizz Buzz Bar
126th
Fractions
137th
Game of Life
80th
Happy Numbers
211th
Happy Numbers (Long)
118th
Inventory Sequence
83rd
Kolakoski Sequence
63rd
Leap Years
141st
Leyland Numbers
86th
Look and Say
116th
Lucky Numbers
90th
Niven Numbers
69th
Niven Numbers (Long)
57th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
193rd
Pangram Grep
88th
Pascal’s Triangle
41st
Pernicious Numbers
89th
Pernicious Numbers (Long)
70th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
70th
Recamán
125th
Reverse Polish Notation
68th
Smith Numbers
71st
Tongue-twisters
200th
United States
88th
Vampire Numbers
71st
Van Eck Sequence
78th
π
209th
τ
164th
φ
160th
√2
1st
𝑒
1st33rd