12 Days of Christmas
768
Abundant Numbers
612356713549
Christmas Trees
767
Collatz
803
832
Cubes
364
DFA Simulator
652
Divisors
505712
Emirp Numbers
414
Evil Numbers
432754
Fibonacci
525609
611
Fizz Buzz
693359926
Foo Fizz Buzz Bar
417
Happy Numbers
549
ISBN
844
Leap Years
450
Niven Numbers
651
Odious Numbers
781
Pernicious Numbers
348
Prime Numbers
646224577
Proximity Grid
571
Quine
479
946
Recamán
470
Reverse Polish Notation
534
√2
496
𝑒
535