12 Days of Christmas
799
Abundant Numbers
619360717553
Christmas Trees
772
Collatz
814
899
Cubes
380
DFA Simulator
651
Divisors
510728
Emirp Numbers
421
Evil Numbers
433755
Fibonacci
526613
612
Fizz Buzz
699361929
Foo Fizz Buzz Bar
423
Happy Numbers
552
ISBN
847
Leap Years
451
Niven Numbers
656
Odious Numbers
783
Pernicious Numbers
349
Prime Numbers
645224577
Proximity Grid
587
Quine
491
946
RecamΓ‘n
473
Reverse Polish Notation
540
β2
501
π
539