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A338320 a(n) is the smallest positive integer m such that 2^n appears as the denominator of a semiconvergent to sqrt(m). 1

%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

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Last modified September 6 17:59 EDT 2024. Contains 375718 sequences. (Running on oeis4.)