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A338308 a(n) is the smallest positive integer m such that 2^n appears as the denominator of a convergent to sqrt(m). 2

%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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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)