12 Days of Christmas
326th
Abundant Numbers
133rd
Abundant Numbers (Long)
75th
Catalan Numbers
85th
Christmas Trees
226th
Collatz
194th
CSS Colors
64th
Cubes
176th
Divisors
118th
Emirp Numbers
15th
Emirp Numbers (Long)
80th
Evil Numbers
1st
Evil Numbers (Long)
38th
Fibonacci
186th
Fizz Buzz
210th
Foo Fizz Buzz Bar
132nd
Fractions
143rd
Game of Life
83rd
Happy Numbers
217th
Happy Numbers (Long)
127th
Inventory Sequence
89th
Kolakoski Sequence
64th
Leap Years
146th
Leyland Numbers
86th
Look and Say
122nd
Lucky Numbers
93rd
Niven Numbers
76th
Niven Numbers (Long)
60th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
197th
Pangram Grep
90th
Pascal’s Triangle
44th
Pernicious Numbers
94th
Pernicious Numbers (Long)
78th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
72nd
Recamán
131st
Reverse Polish Notation
68th
Smith Numbers
73rd
Tongue-twisters
206th
United States
90th
Vampire Numbers
71st
Van Eck Sequence
86th
π
216th
τ
167th
φ
164th
√2
1st
𝑒
1st37th