12 Days of Christmas
395668
99 Bottles of Beer
678
Abundant Numbers
773
brainfuck
751
Christmas Trees
773
Cubes
522
Divisors
689925
Emirp Numbers
752
Emojify
546
Evil Numbers
634786
Fibonacci
893859926
Fizz Buzz
806738
Leap Years
641
Leyland Numbers
764
Niven Numbers
901
Odious Numbers
669807
Pernicious Numbers
573
Prime Numbers
585870
Rule 110
451
Spelling Numbers
754
Sudoku
629
π
837