Similarity of A000799 & A064355

[franktaw at netscape.net]

A000799(n) = A064355(n) only for:
(1) n a power of 2.
(2) n = p * 2^k, where p is a prime with p > 2^{2^k - k}.  (Including the case k=0.)
(3) n = 9. 
 
So while they start out with many equal values, and there any infinitely n where they are equal, they have density 0.
 
Franklin T. Adams-Watters
 
-----Original Message-----
From: Paul D. Hanna pauldhanna at juno.com

     Perhaps the question should be stated more clearly.   
When is A000799(n) = A064355(n) ?  
I get differences  A000799(n) - A064355(n):  
[0,0,0,0,0,0,0,0,0,0,0,1,0,0,2,0,0,3,0,0,6,0,0,10,1,0,18,0,0,36,0,0,62,0,
...] 
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