12 Days of Christmas
868
Abundant Numbers
797
Abundant Numbers (Long)
945
Catalan Numbers
931
Christmas Trees
726
Collatz
913
CSS Colors
584
Cubes
583
Divisors
984
Emirp Numbers
843
Emirp Numbers (Long)
775
Evil Numbers
982
Evil Numbers (Long)
952
Fibonacci
935
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
769
Game of Life
612
Happy Numbers
732
Happy Numbers (Long)
832
Inventory Sequence
854
Kolakoski Sequence
881
Leap Years
848
Leyland Numbers
959
Look and Say
742
Lucky Numbers
749
Niven Numbers
941
Niven Numbers (Long)
905
Odious Numbers
980
Odious Numbers (Long)
972
Ordinal Numbers
789
Pangram Grep
973
Pascal’s Triangle
975
Pernicious Numbers
815
Pernicious Numbers (Long)
887
Prime Numbers
981
Prime Numbers (Long)
973
Quine
946
Recamán
852
Reverse Polish Notation
892
Smith Numbers
777
Tongue-twisters
656
United States
659
Vampire Numbers
864
Van Eck Sequence
872
π
461
τ
451
φ
738
√2
981
𝑒
97872