12 Days of Christmas
570
77199 Bottles of Beer
763
624Abundant Numbers
752
Abundant Numbers (Long)
827
Arabic to Roman
599
Christmas Trees
207
Collatz
801
701Diamonds
342
176Evil Numbers
836
Evil Numbers (Long)
855
719Fibonacci
635
900Fizz Buzz
888
Foo Fizz Buzz Bar
488
Happy Numbers
609
Niven Numbers
721Odious Numbers
845
727Odious Numbers (Long)
846
719Pernicious Numbers
754
Pernicious Numbers (Long)
794
Prime Numbers
699
465Tongue-twisters
633
π
130
33
165
64