%I #9 Oct 01 2013 21:35:30
%S 3,5,127,3299,1967249047,8191,30450469261,131071,524287,
%T 476562280296181,70358283824461
%N Smallest prime of the form x^(2n+1) - y^(2n-1), x,y >= 1.
%C For even n > 4 = 2m, x^(2m) - y^(2m-2) = (x^m)^2 - y^((m-1))^2 is divisible by x^m - y^(m-1) which is not prime. This accounts for the omission of even powers in the definition.
%K nonn
%O 1,1
%A _Cino Hilliard_, Jun 17 2009
%E Incorrect program removed; definition confined to odd powers; added terms a(8)..a(11). - R. J. Mathar, Feb 27 2012