The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A182770 Beatty sequence for 3-sqrt(2). 2
1, 3, 4, 6, 7, 9, 11, 12, 14, 15, 17, 19, 20, 22, 23, 25, 26, 28, 30, 31, 33, 34, 36, 38, 39, 41, 42, 44, 45, 47, 49, 50, 52, 53, 55, 57, 58, 60, 61, 63, 65, 66, 68, 69, 71, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90, 91, 93, 95, 96, 98, 99, 101, 103, 104, 106, 107, 109 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Let u=1+sqrt(2) and v=sqrt(2). Jointly rank {ju} and {kv} as in the first comment at A182760; a(n) is the position of nv. A182770 is the complement of A182769.
LINKS
FORMULA
a(n) = floor(n*(3-sqrt(2))).
MATHEMATICA
Floor[Range[70](3-Sqrt[2])] (* Harvey P. Dale, Apr 21 2013 *)
PROG
(Magma) [Floor(n*(3-Sqrt(2))): n in [1..80]]; // Vincenzo Librandi, Oct 25 2011
(PARI) vector(100, n, floor(n*(3-sqrt(2)))) \\ G. C. Greubel, Aug 18 2018
CROSSREFS
Sequence in context: A284773 A172272 A056576 * A347792 A330095 A059552
KEYWORD
nonn
AUTHOR
Clark Kimberling, Nov 30 2010
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 June 14 23:20 EDT 2024. Contains 373401 sequences. (Running on oeis4.)