RCARRY
The RCARRY algorithm was proposed in 1991 by Marsaglia and Zaman. RCARRY used a subtract-and-borrow algorithm with a period on the order of However, RCARRY still had detectable correlations between numbers.
The RCARRY algorithm was proposed in 1991 by Marsaglia and Zaman. 
RCARRY  used a subtract-and-borrow algorithm with a period on the order of  
However, RCARRY still had detectable correlations between numbers.