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!)
A064717 A Beatty sequence for 2^i + 2^(-i) where i = sqrt(-1). 2

%I #12 Jul 24 2023 00:05:10

%S 1,3,4,6,7,9,10,12,13,15,16,18,20,21,23,24,26,27,29,30,32,33,35,36,38,

%T 40,41,43,44,46,47,49,50,52,53,55,56,58,60,61,63,64,66,67,69,70,72,73,

%U 75,76,78,80,81,83,84,86,87,89,90,92,93,95,96,98,100,101,103,104,106

%N A Beatty sequence for 2^i + 2^(-i) where i = sqrt(-1).

%C 2^i + 2^-i ~= 1.53847780272794425315665998732254140... ~= 20/13.

%H Harry J. Smith, <a href="/A064717/b064717.txt">Table of n, a(n) for n=1,...,2000</a>

%t a = Chop[ N[ 2^I + 2^-I, 36], 10^-40]; Table[ Floor[n*a], {n, 1, 75} ]

%o (PARI) { default(realprecision, 100); b=real(2^I + 2^-I); for (n = 1, 2000, write("b064717.txt", n, " ", floor(n*b)) ) } \\ _Harry J. Smith_, Sep 23 2009

%Y Cf. A064718, A237192.

%K easy,nonn

%O 1,2

%A _Robert G. Wilson v_, Oct 13 2001

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 April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)