12 Days of Christmas
390
Christmas Trees
557
Diamonds
364
Divisors
754947
Emirp Numbers
591
Evil Numbers
481833
Fibonacci
917947
Fizz Buzz
789855
Happy Numbers
527
Leap Years
804754
Niven Numbers
875880
Odious Numbers
500851
Pangram Grep
701
Pascal’s Triangle
909
Pernicious Numbers
580
Prime Numbers
846
870
Quine
893969
Sudoku
π
406
τ
400
φ
703