12 Days of Christmas
804
Abundant Numbers
652369729584
Christmas Trees
785
Collatz
859
919
Cubes
381
DFA Simulator
684
Divisors
521740
Emirp Numbers
430
Evil Numbers
446769
Fibonacci
541636
621
Fizz Buzz
721364935
Foo Fizz Buzz Bar
447
Happy Numbers
564
ISBN
875
Leap Years
457
Niven Numbers
667
Odious Numbers
800
Pernicious Numbers
357
Prime Numbers
683231588
Proximity Grid
617
Quine
513
969
Recamán
484
Reverse Polish Notation
571
√2
510
𝑒
552