12 Days of Christmas
842
Christmas Trees
629
Diamonds
427
Divisors
737984
Emirp Numbers
716
Evil Numbers
467818
Fibonacci
899935
Fizz Buzz
782929
Happy Numbers
667
Leap Years
788744
Niven Numbers
855866
Odious Numbers
485834
Pangram Grep
806
Pascal’s Triangle
957
Pernicious Numbers
567
Prime Numbers
846
853
Quine
866946
Sudoku
π
445
τ
436
φ
698