%I #8 Dec 17 2012 14:34:09
%S 1,2,3,3,5,6,2,4,9,3,11,10,9,14,5,5,6,18,6,10,7,6,23,21,4,26,10,9,29,
%T 30,3,6,33,11,35,9,10,15,39,27,41,4,14,11,6,5,18,24,15,50,51,6,53,18,
%U 18,14,22,6,12,55,10,50,7,7,65,9,18,34,69,23,30,14,21,74,15,12,10,26
%N Haupt-exponents of 4 modulo integers relatively prime to 4.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/MultiplicativeOrder.html">Multiplicative Order.</a>
%Y Cf. A002326, A002329. Presumably this is a duplicate of A053447.
%K nonn
%O 1,2
%A _Eric W. Weisstein_