12 Days of Christmas
868
Abundant Numbers
797
Abundant Numbers (Long)
944
Catalan Numbers
930
Christmas Trees
726
Collatz
911
CSS Colors
587
Cubes
591
Divisors
984
Emirp Numbers
842
Emirp Numbers (Long)
773
Evil Numbers
981
Evil Numbers (Long)
950
Fibonacci
934
Fizz Buzz
976
Foo Fizz Buzz Bar
986
Fractions
768
Game of Life
627
Happy Numbers
731
Happy Numbers (Long)
831
Inventory Sequence
852
Kolakoski Sequence
879
Leap Years
847
Leyland Numbers
958
Look and Say
741
Lucky Numbers
761
Niven Numbers
941
Niven Numbers (Long)
904
Odious Numbers
979
Odious Numbers (Long)
971
Ordinal Numbers
788
Pangram Grep
972
Pascal’s Triangle
974
Pernicious Numbers
814
Pernicious Numbers (Long)
885
Prime Numbers
980
Prime Numbers (Long)
972
Quine
946
Recamán
851
Reverse Polish Notation
889
Smith Numbers
775
Tongue-twisters
656
United States
699
Vampire Numbers
863
Van Eck Sequence
870
π
460
τ
450
φ
737
√2
981
𝑒
977
72