The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A172337

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A172337

Floor(n*(sqrt(11)+sqrt(7))).
(history; published version)

#9 by Charles R Greathouse IV at Thu Sep 08 08:45:50 EDT 2022

PROG

(MAGMAMagma) [ Floor(n*(Sqrt(11)+Sqrt(7))): n in [0..60] ];

Discussion

Thu Sep 08

08:45

OEIS Server: https://oeis.org/edit/global/2944

#8 by Bruno Berselli at Thu Aug 01 08:04:04 EDT 2013

STATUS

editing

approved

#7 by Bruno Berselli at Thu Aug 01 08:03:42 EDT 2013

COMMENTS

a(n) = integer part of n*5.9623761014...., (sqrt(11)+sqrt(7)), where the constant is the largest root of x^4 -36*x^2 +16.

CROSSREFS

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

STATUS

proposed

editing

#6 by Vincenzo Librandi at Thu Aug 01 05:43:38 EDT 2013

STATUS

editing

proposed

Discussion

Thu Aug 01

07:03

Joerg Arndt: == sqrt(11)+sqrt(7)

#5 by Vincenzo Librandi at Thu Aug 01 05:43:09 EDT 2013

COMMENTS

a(n) = integer part of n*5.9623761014...., where the constant is the largest root of x^4 -36*x^2 +16.

LINKS

Vincenzo Librandi, <a href="/A172337/b172337.txt">Table of n, a(n) for n = 0..1000</a>

MATHEMATICA

With[{c = Sqrt[11] + Sqrt[7]}, Floor[c Range[0, 70]]] (* Vincenzo Librandi, Aug 01 2013 *)

CROSSREFS

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

KEYWORD

nonn,less,easy

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 18:38:18 EDT 2012

AUTHOR

_Vincenzo Librandi (vincenzo.librandi(AT)tin.it), _, Feb 01 2010

Discussion

Fri Mar 30

18:38

OEIS Server: https://oeis.org/edit/global/215

#3 by Klaus Brockhaus at Sun Nov 21 02:16:01 EST 2010

STATUS

proposed

approved

#2 by Klaus Brockhaus at Sun Nov 21 02:15:37 EST 2010

COMMENTS

a(n) = integer part of n*5,9623761014199904396165484903099.9623761014.....

PROG

(MAGMA) [ Floor(n*(Sqrt(11)+Sqrt(7))): n in [0..60] ];

KEYWORD

nonn,less

STATUS

approved

proposed

#1 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

NAME

Floor(n*(sqrt(11)+sqrt(7))).

DATA

0, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 160, 166, 172, 178, 184, 190, 196, 202, 208, 214, 220, 226, 232, 238, 244, 250, 256, 262, 268, 274, 280, 286, 292, 298, 304, 310, 316, 321, 327

OFFSET

0,2

COMMENTS

a(n)= n*5,9623761014199904396165484903099.....

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Feb 01 2010

STATUS

approved