12 Days of Christmas
282nd
Abundant Numbers
46th
Abundant Numbers (Long)
8th
Catalan Numbers
98th
Christmas Trees
214th
Collatz
155th
CSS Colors
89th
Cubes
166th
Divisors
1st
Emirp Numbers
93rd
Emirp Numbers (Long)
52nd
Evil Numbers
1st
Evil Numbers (Long)
43rd
Fibonacci
197th
Fizz Buzz
68th
Foo Fizz Buzz Bar
1st
Fractions
107th
Game of Life
80th
Happy Numbers
197th
Happy Numbers (Long)
114th
Inventory Sequence
94th
Kolakoski Sequence
21st
Leap Years
156th
Leyland Numbers
8th
Look and Say
103rd
Lucky Numbers
86th
Niven Numbers
90th
Niven Numbers (Long)
52nd
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
184th
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
100th
Pernicious Numbers (Long)
76th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
83rd
Recamán
102nd
Reverse Polish Notation
30th
Smith Numbers
48th
Tongue-twisters
178th
United States
84th
Vampire Numbers
36th
Van Eck Sequence
83rd
π
209th
τ
165th
φ
145th
√2
1st
𝑒
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