The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A108598

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A108598

a(n) = floor(n*((5+sqrt(5))/4)).
(history; published version)

#14 by OEIS Server at Fri Oct 20 06:47:03 EDT 2023

LINKS

G. C. Greubel, <a href="/A108598/b108598_1.txt">Table of n, a(n) for n = 1..10000</a>

#13 by Michael De Vlieger at Fri Oct 20 06:47:03 EDT 2023

STATUS

reviewed

approved

Discussion

Fri Oct 20

06:47

OEIS Server: Installed first b-file as b108598.txt.

#12 by Michel Marcus at Fri Oct 20 03:49:56 EDT 2023

STATUS

proposed

reviewed

#11 by G. C. Greubel at Fri Oct 20 02:51:37 EDT 2023

STATUS

editing

proposed

#10 by G. C. Greubel at Fri Oct 20 02:51:30 EDT 2023

NAME

Floora(n) = floor(n*((5+sqrt(5))/4)).

LINKS

G. C. Greubel, <a href="/A108598/b108598_1.txt">Table of n, a(n) for n = 1..10000</a>

PROG

(Magma) [Floor(n*(5+Sqrt(5))/4): n in [1..80]]; // G. C. Greubel, Oct 20 2023

(SageMath) [int(n*sqrt(5)*golden_ratio/2) for n in range(1, 81)] # G. C. Greubel, Oct 20 2023

CROSSREFS

Cf. A022839, A026262.

STATUS

approved

editing

#9 by Harvey P. Dale at Wed Jul 20 14:01:20 EDT 2022

STATUS

editing

approved

#8 by Harvey P. Dale at Wed Jul 20 14:01:17 EDT 2022

MATHEMATICA

With[{c=(5+Sqrt[5])/4}, Floor[c Range[80]]] (* Harvey P. Dale, Jul 20 2022 *)

STATUS

approved

editing

#7 by Russ Cox at Fri Mar 30 18:50:50 EDT 2012

AUTHOR

_Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), _, Jun 11 2005

Discussion

Fri Mar 30

18:50

OEIS Server: https://oeis.org/edit/global/246

#6 by Russ Cox at Sun Jul 10 18:20:34 EDT 2011

LINKS

<a href="/Sindx_index/Be.html#Beatty">Index entries for sequences related to Beatty sequences</a>

Discussion

Sun Jul 10

18:20

OEIS Server: https://oeis.org/edit/global/22

#5 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

<a href="/Sindx_Be.html#Beatty">Index entries for sequences related to Beatty sequences</a>

KEYWORD

nonn,new

nonn