Card Number Validation
954
Catalan Numbers
972
Collatz
978
Day of Week
958
Divisors
984
Emojify
980
Evil Numbers
981
Evil Numbers (Long)
974
Farey Sequence
961
Fibonacci
986
Fizz Buzz
993
Foo Fizz Buzz Bar
986
Fractions
968
Happy Numbers
979
Hexdump
972
Leap Years
963
Levenshtein Distance
964
Leyland Numbers
971
ln 2
968
Lucky Numbers
970
Lucky Tickets
951
Niven Numbers
984
Niven Numbers (Long)
977
Odious Numbers
979
Odious Numbers (Long)
971
Pangram Grep
973
Partition Numbers
947
Pascalβs Triangle
974
Pernicious Numbers
977
Pernicious Numbers (Long)
971
Prime Numbers
981
Prime Numbers (Long)
972
Quine
976
Repeating Decimals
957
Roman to Arabic
968
ROT13
951
Tic-tac-toe
955
Van Eck Sequence
964
Ο
974
β2
981
π
978