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!)
A004975 a(n) = ceiling(n*phi^20), where phi is the golden ratio, A001622. 1

%I #18 Jul 04 2019 15:25:32

%S 0,15127,30254,45381,60508,75635,90762,105889,121016,136143,151270,

%T 166397,181524,196651,211778,226905,242032,257159,272286,287413,

%U 302540,317667,332794,347921,363048,378175,393302,408429,423556,438683,453810,468937,484064,499191,514318,529445,544572,559699

%N a(n) = ceiling(n*phi^20), where phi is the golden ratio, A001622.

%C Not the same as A004955: a(n) != A004955(n) for n=7564. [_Joerg Arndt_, Sep 17 2013]

%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/NonRecursions.html">Non Recursions</a>

%F a(n) >= A004955(n). [_R. J. Mathar_, Oct 28 2008]

%t With[{c=GoldenRatio^20},Ceiling[c*Range[0,40]]] (* _Harvey P. Dale_, Jul 17 2018 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_

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 March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)