12 Days of Christmas
388
Christmas Trees
547
Diamonds
356
Divisors
737933
Emirp Numbers
581
Evil Numbers
467818
Fibonacci
899935
Fizz Buzz
780848
Happy Numbers
518
Leap Years
787743
Niven Numbers
851864
Odious Numbers
485834
Pangram Grep
683
Pascal’s Triangle
887
Pernicious Numbers
567
Prime Numbers
846
853
Quine
866946
Sudoku
π
397
τ
389
φ
683