login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A184336 a(n) = n + floor((3*n)^(1/3) - 2/3). 1
1, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68, 69, 70, 71 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Complement: 2, 8, 19, 37, 65, 104, 157, 224, 310, 414, 540, 689, 863, ..., .

LINKS

Table of n, a(n) for n=1..66.

MAPLE

A184336:=n->n+floor(-(2/3) + (3*n)^(1/3)); seq(A184336(k), k=1..100); # Wesley Ivan Hurt, Nov 08 2013

MATHEMATICA

f[n_] := n + Floor[-2/3 + (3 n)^(1/3)]; Array[f, 66]

CROSSREFS

Cf. A007401.

Sequence in context: A210934 A354774 A194276 * A183300 A155854 A047252

Adjacent sequences: A184333 A184334 A184335 * A184337 A184338 A184339

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v, Feb 13 2011

STATUS

approved

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 December 7 14:20 EST 2022. Contains 358656 sequences. (Running on oeis4.)