%I A139686
%S A139686 3,11,5,23,35,9,39,11,51,7,15,83,95,99,37,29,119,131,135,155,21,179,183,
%T A139686 191,43,73,231,239,243,251,299,25,303,45,323,359,121,371,375,411,419,
%U A139686 431,55,443,91,153,117,483,491,495,515,519,531,543,29,575,611,615,639
%N A139686 Odd multiplicative orders of 2 modulo primes.
%C A139686 Subsequence of A014664, consisting of odd elements.
%F A139686 a(n) = multiplicative order of 2 modulo A014663(n)
%o A139686 (PARI) forprime(p=3,10^5,z=znorder(Mod(2,p));if(z%2,print1(z,", ")))
%Y A139686 Cf. A014664, A014663.
%Y A139686 Sequence in context: A084462 A156320 A134969 this_sequence A130537 A114234 
               A120299
%Y A139686 Adjacent sequences: A139683 A139684 A139685 this_sequence A139687 A139688 
               A139689
%K A139686 nonn
%O A139686 1,1
%A A139686 Max Alekseyev (maxale(AT)gmail.com), Apr 29 2008