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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
1, 1, 3, 1, 5, 23, 35, 97, 203, 409, 205, 1297, 933, 311, 10819, 18239, 37611, 118535, 135251, 394609, 217989, 72663, 24221, 2788129, 4663029, 32000089, 11702925, 3900975, 1300325, 358347383, 596378755, 1232862847, 3274265813, 6818044999, 3453941395 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

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

LINKS

Table of n, a(n) for n=1..35.

MATHEMATICA

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

CROSSREFS

Cf. A215199.

Sequence in context: A140825 A265981 A037280 * A168611 A133397 A174424

Adjacent sequences:  A324201 A324202 A324203 * A324205 A324206 A324207

KEYWORD

nonn,frac

AUTHOR

David A. Corneth, Mar 14 2019

STATUS

approved

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Last modified August 4 13:02 EDT 2021. Contains 346447 sequences. (Running on oeis4.)