login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A064719 A Beatty sequence for 3^i + 3^-i + 1. 2
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

3^i + 3^-i + 1 ~= 1.90966484565321951005513028719008497... ~= 21/11.

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..2000

MATHEMATICA

a = Chop[ N[ 3^I + 3^-I +1, 36], 10^-40]; Table[ Floor[n*a)], {n, 1, 75} ]

PROG

(PARI) { default(realprecision, 100); b=real(3^I + 3^-I) + 1; for (n = 1, 2000, write("b064719.txt", n, " ", floor(n*b)) ) } \\ Harry J. Smith, Sep 23 2009

CROSSREFS

Cf. A064720.

Cf. A059547. - R. J. Mathar, Oct 02 2008

Sequence in context: A238704 A251238 A059547 * A214657 A137803 A059533

Adjacent sequences:  A064716 A064717 A064718 * A064720 A064721 A064722

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v, Oct 13 2001

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 1 00:54 EDT 2020. Contains 337440 sequences. (Running on oeis4.)