12 Days of Christmas
813
99 Bottles of Beer
665
Arabic to Roman
498
Arithmetic Numbers
777
ASCII Table
631
Card Number Validation
617
Catalan Numbers
702
Christmas Trees
656
Collatz
854
Day of Week
867
Diamonds
620
Divisors
610
Evil Numbers
701
Evil Numbers (Long)
677
Fibonacci
740
Fizz Buzz
868712641823
Foo Fizz Buzz Bar
673
835
Fractions
585
Happy Numbers
675
Happy Numbers (Long)
728
Inventory Sequence
733
ISBN
684
Leap Years
705
695
Leyland Numbers
601
Niven Numbers
921
Niven Numbers (Long)
872
Odious Numbers
687
Odious Numbers (Long)
653
Ordinal Numbers
717
Pangram Grep
824
Pascal’s Triangle
578
Pernicious Numbers
567
Pernicious Numbers (Long)
648
Prime Numbers
654
Prime Numbers (Long)
702
Quine
615178
673
Recamán
745
Reverse Polish Notation
722
Spelling Numbers
453
Time Distance
593
Tongue-twisters
708
π
291