12 Days of Christmas
409
Arrows
397
Christmas Trees
604
Collatz
755
Evil Numbers
818
Evil Numbers (Long)
800
Fibonacci
631
725
Fractions
410
Happy Numbers
554
Leap Years
815
Odious Numbers
531
852
Odious Numbers (Long)
831
Pangram Grep
577
Pernicious Numbers
767
Prime Numbers
408
Quine
847
944
Reverse Polish Notation
565
Roman to Arabic
459
545
Time Distance
482