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A324204 a(n) is the smallest denominator D of the fraction N/D with 1 <= D < 2^n which is closest to (3/2)^n. 0

%I

%S 1,1,3,1,5,23,35,97,203,409,205,1297,933,311,10819,18239,37611,118535,

%T 135251,394609,217989,72663,24221,2788129,4663029,32000089,11702925,

%U 3900975,1300325,358347383,596378755,1232862847,3274265813,6818044999,3453941395

%N a(n) is the smallest denominator D of the fraction N/D with 1 <= D < 2^n which is closest to (3/2)^n.

%C First 10000 terms are odd. Is that the general case?

%t a[n_] := Denominator[FromContinuedFraction[ContinuedFraction[(3/2)^n][[1 ;; -2]]]]; Array[a, 35] (* _Amiram Eldar_, Jul 10 2019 *)

%Y Cf. A215199.

%K nonn,frac

%O 1,3

%A _David A. Corneth_, Mar 14 2019

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Last modified September 25 23:09 EDT 2021. Contains 347664 sequences. (Running on oeis4.)