%I #10 Oct 24 2020 14:00:01
%S 1,2,3,7,11,32,8,94,227,359,623,717,551,4925,3200,800,3726,10445,6577,
%T 49313,341409,496085,305088,274058,269008,3502253,10740040,31388327,
%U 63502569,28372805,14563552
%N a(n) is the smallest positive integer m such that 2^n appears as the denominator of a semiconvergent to sqrt(m).
%C a(n) <= A338308(n).
%F a(n) = A338319(2^n).
%Y Cf. A338307, A338308, A338319.
%K nonn,hard
%O 0,2
%A _Max Alekseyev_, Oct 22 2020