12 Days of Christmas
368
Abundant Numbers
616358688528
Christmas Trees
672
Collatz
809
753
Cubes
263
DFA Simulator
445
Divisors
510690
Emirp Numbers
342
Evil Numbers
433755
Fibonacci
515613
612
Fizz Buzz
696359848
Foo Fizz Buzz Bar
417
Happy Numbers
428
ISBN
662
Leap Years
450
Niven Numbers
654
Odious Numbers
783
Pernicious Numbers
349
Prime Numbers
645224577
Proximity Grid
404
Quine
479
946
RecamΓ‘n
427
Reverse Polish Notation
392
β2
498
π
538