login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A293340 Least integer k such that k/2^n > 1/e. 4
1, 1, 2, 3, 6, 12, 24, 48, 95, 189, 377, 754, 1507, 3014, 6028, 12055, 24110, 48219, 96438, 192875, 385750, 771500, 1542999, 3085997, 6171993, 12343986, 24687972, 49375943, 98751886, 197503772, 395007543, 790015085, 1580030169, 3160060338, 6320120675 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Clark Kimberling, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = ceiling(r*2^n), where r = 1/e.

a(n) = A293339(n) + 1.

MATHEMATICA

z = 120; r = 1/E;

Table[Floor[r*2^n], {n, 0, z}];   (* A293339 *)

Table[Ceiling[r*2^n], {n, 0, z}]; (* A293340 *)

Table[Round[r*2^n], {n, 0, z}]; (* A293341 *)

CROSSREFS

Cf. A001113, A027437, A293339, A293341.

Sequence in context: A262236 A246878 A251709 * A251714 A251745 A251752

Adjacent sequences:  A293337 A293338 A293339 * A293341 A293342 A293343

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Oct 10 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 26 17:16 EDT 2022. Contains 354092 sequences. (Running on oeis4.)