%I A137313
%S A137313 1,2,3,5,6,7,10,11,13,17,23,26,27,30,33,35,37,38,45,46,47,58,61,62,63,
%T A137313 70,73,77,81,83,87,90,91,101,102,103,107,110,115,118,121,122,125,126,
%U A137313 131,137,138,142,143,146,147,151,161,165,166,170,173,175,177,178
%N A137313 Numbers n such that a type-6 Gaussian normal basis over GF(2^n) exists.
%C A137313 A type-t Gaussian normal basis exists for GF(2^n) if p=n*t+1 is prime 
               and gcd(n, (p-1)/ord(2 mod p))==1.
%H A137313 Joerg Arndt, <a href="http://www.jjj.de/fxt/#fxtbook">fxtbook</a>
%Y A137313 Cf. A136415.
%Y A137313 Sequence in context: A068422 A085118 A166158 this_sequence A117204 A028805 
               A117344
%Y A137313 Adjacent sequences: A137310 A137311 A137312 this_sequence A137314 A137315 
               A137316
%K A137313 nonn
%O A137313 0,2
%A A137313 Joerg Arndt (arndt(AT)jjj.de), Apr 05 2008