12 Days of Christmas
299
Abundant Numbers
371
Abundant Numbers (Long)
697
Arabic to Roman
351
Arithmetic Numbers
587
brainfuck
405
Christmas Trees
232
Collatz
532
Day of Week
564
Divisors
468583
673
Emirp Numbers
412
Evil Numbers (Long)
701
Fibonacci
335
625
Fizz Buzz
619607
Happy Numbers
241
Leap Years
683
Look and Say
473
Odious Numbers
712
Odious Numbers (Long)
700
Pascal’s Triangle
530
Quine
891
Reverse Polish Notation
439
π
290