20041218, 21:10  #1  
2^{2}·3·5·131 Posts 
Binary representation prime number of 1's.
This is an interesting corelation to RMA, if all of these primes are GM:
http://www.research.att.com/projects/OEIS?Anum=A081093 Quote:
Last fiddled with by TTn on 20041218 at 21:13 

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