12 Days of Christmas
821877
99 Bottles of Beer
691
Abundant Numbers
806
brainfuck
755
Christmas Trees
773
Cubes
517
Divisors
707926
Emirp Numbers
718
Emojify
523
Evil Numbers
690786
Fibonacci
905860927
Fizz Buzz
819738
Leap Years
663
Leyland Numbers
764
Niven Numbers
902
Odious Numbers
747807
Pernicious Numbers
574
Prime Numbers
626870
Rule 110
481
Spelling Numbers
752
Sudoku
471
π
817