12 Days of Christmas
883
Arrows
524
Christmas Trees
693
Collatz
836
Evil Numbers
818
Evil Numbers (Long)
800
Fibonacci
631
725
Fractions
482
Happy Numbers
715
Leap Years
815
Odious Numbers
551
852
Odious Numbers (Long)
831
Pangram Grep
681
Pernicious Numbers
767
Prime Numbers
408
Quine
849
947
Reverse Polish Notation
779
Roman to Arabic
474
720
Time Distance
868