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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A212457 a(n) = floor(4n*log(4n)). 8
5, 16, 29, 44, 59, 76, 93, 110, 129, 147, 166, 185, 205, 225, 245, 266, 286, 307, 329, 350, 372, 394, 416, 438, 460, 483, 505, 528, 551, 574, 597, 621, 644, 668, 691, 715, 739, 763, 787, 812, 836, 860, 885, 910, 934 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[Floor[4*n*Log[4*n]], {n, 80}] (* Vincenzo Librandi, Feb 13 2013 *)

PROG

(DERIVE) PROG(y := [], x := 100, LOOP(IF(x = 0, RETURN y), y := ADJOIN(FLOOR(4·x·LOG(4·x)), y), x := x - 1))

(MAGMA) [Floor(4*n*Log(4*n)): n in [1..80]]; // Vincenzo Librandi, Feb 13 2013

(PARI) a(n)=4*n*log(4*n)\1 \\ Charles R Greathouse IV, Sep 04 2015

CROSSREFS

Cf. A050502, A050504, A212455, A212456, A212458, A212459, A212460, A212461, A212462.

Sequence in context: A030573 A063290 A299882 * A134594 A222535 A063076

Adjacent sequences:  A212454 A212455 A212456 * A212458 A212459 A212460

KEYWORD

easy,nonn

AUTHOR

Mohammad K. Azarian, May 31 2012

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 22 16:47 EST 2019. Contains 319364 sequences. (Running on oeis4.)