%I #12 Oct 24 2020 13:59:41
%S 1,2,3,15,61,32,159,94,393,1185,2321,717,13793,13591,18212,50915,
%T 41780,10445,246294,1566182,614515,1453153,4593605,12484235,16905922,
%U 5556569,58500158,265210068,66302517,293352098,396835071,828594093
%N a(n) is the smallest positive integer m such that 2^n appears as the denominator of a convergent to sqrt(m).
%F a(n) = A338307(2^n).
%Y Cf. A338307.
%K nonn,hard
%O 0,2
%A _Max Alekseyev_, Oct 21 2020
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