A027623, is it multiplicative?

David Wilson davidwwilson at comcast.net
Sun Jun 12 13:44:12 CEST 2005


A027623 gives the number of rings with n elements, and looks empirically to 
be multiplicative.  Is there some reason to believe that if gcd(x,y) = 1, 
a(xy) = a(x)a(y)?  Maybe a finite-ring analogue to Sylow's theorem for 
finite abelian groups?


- David W. Wilson

"Truth is just truth -- You can't have opinions about the truth."
   - Peter Schickele, from P.D.Q. Bach's oratorio "The Seasonings" 






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