login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A172329 Floor(n*(sqrt(11)+sqrt(2))). 1
0, 4, 9, 14, 18, 23, 28, 33, 37, 42, 47, 52, 56, 61, 66, 70, 75, 80, 85, 89, 94, 99, 104, 108, 113, 118, 123, 127, 132, 137, 141, 146, 151, 156, 160, 165, 170, 175, 179, 184, 189, 193, 198, 203, 208, 212, 217, 222, 227, 231, 236 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also integer part of n*4.7308383527..., where the constant is the largest root of x^4 -26*x^2 +81.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

MATHEMATICA

With[{c=Sqrt[11]+Sqrt[2]}, Table[Floor[c n], {n, 0, 50}]]  (* Harvey P. Dale, Mar 12 2011 *)

PROG

(MAGMA) [Floor(n*(Sqrt(11)+Sqrt(2))): n in [0..60]];

CROSSREFS

Cf. A110117, A172323-A172332, A172334, A172336-A172338.

Sequence in context: A038123 A214989 A228177 * A182778 A100215 A100213

Adjacent sequences:  A172326 A172327 A172328 * A172330 A172331 A172332

KEYWORD

nonn,easy,less

AUTHOR

Vincenzo Librandi, Feb 01 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified March 29 15:31 EDT 2017. Contains 284273 sequences.