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A153705 Greatest number m such that the fractional part of e^A153701(n) <= 1/m. 7
1, 2, 11, 11, 23, 28, 69, 85, 115, 964, 1153, 1292, 1296, 1877, 34015, 156075, 952945 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

FORMULA

a(n) = floor(1/fract(e^A153701(n))), where fract(x) = x-floor(x).

EXAMPLE

a(3)=11 since 1/12 < fract(e^A153701(3)) = fract(e^3) = 0.0855... <= 1/11.

MATHEMATICA

A153701 = {1, 2, 3, 9, 29, 45, 75, 135, 219, 732, 1351, 3315, 4795,

   4920, 5469, 28414, 37373};

Table[fp = FractionalPart[E^A153701[[n]]]; m = Floor[1/fp];

While[fp <= 1/m, m++]; m - 1, {n, 1, Length[A153701]}] (* Robert Price, Mar 25 2019 *)

CROSSREFS

Cf. A081464, A153669, A153677, A153685, A153693, A153701, A154130, A153713, A153721.

Cf. A000149.

Sequence in context: A168413 A265561 A265545 * A290394 A292779 A245521

Adjacent sequences:  A153702 A153703 A153704 * A153706 A153707 A153708

KEYWORD

nonn,more

AUTHOR

Hieronymus Fischer, Jan 06 2009

STATUS

approved

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Last modified May 15 10:54 EDT 2021. Contains 343909 sequences. (Running on oeis4.)