%I A085758
%S A085758 5,1,2,4,6,16,18,20,12,24,80,198,1134,352,156,36,168,108,468,72,312,528,
%T A085758 880,180,1280,192,144,660,1848,120,384,4500,216,3564,2100,240,288,648,
%U A085758 600,7968,1656,1536,1620,432,1560,3672,1944,360,840,2496,8820,1008,576
%N A085758 Least m such that phi(x)=2m has exactly n solutions.
%C A085758 Sequence refers to the rank of the first occurrence of n in A032446.
%F A085758 a(n) = A007374(n)/2 for n > 2. - David Wasserman (wasserma(AT)spawar.navy.mil), 
               Feb 09 2005
%e A085758 a(0) = 7. Carmichael conjectured that a(1) doesn't exist.
%Y A085758 Cf. A032446.
%Y A085758 Sequence in context: A055185 A120579 A093316 this_sequence A154529 A157823 
               A159703
%Y A085758 Adjacent sequences: A085755 A085756 A085757 this_sequence A085759 A085760 
               A085761
%K A085758 nonn
%O A085758 2,1
%A A085758 Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 22 2003
%E A085758 More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Feb 09 
               2005