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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A179185 Rank transform of the sequence floor(n*sqrt(2)); complement of A186543. 2
1, 3, 5, 6, 9, 10, 11, 14, 16, 17, 19, 20, 23, 24, 27, 28, 30, 32, 33, 35, 37, 39, 40, 42, 44, 46, 48, 49, 52, 53, 55, 57, 58, 60, 62, 64, 65, 67, 69, 71, 72, 75, 76, 78, 80, 82, 84, 85, 87, 89, 91, 93, 94, 96, 98, 100, 101, 103, 105, 106, 109, 110, 112, 114, 115, 117, 119, 121, 123, 124, 126, 128, 130, 132, 134, 136, 137, 139, 141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A187224.

LINKS

Table of n, a(n) for n=1..79.

MATHEMATICA

m = 2^(1/2);

seqA = Table[Floor[m*n], {n, 1, 180}]  (* A001951 *)

seqB = Table[n, {n, 1, 80}];  (* A000027 *)

jointRank[{seqA_, seqB_}] := {Flatten@Position[#1, {_, 1}],

Flatten@Position[#1, {_, 2}]} &[Sort@Flatten[{{#1, 1} & /@ seqA, {#1, 2} & /@ seqB}, 1]];

limseqU = FixedPoint[jointRank[{seqA, #1[[1]]}] &, jointRank[{seqA, seqB}]][[1]]  (* A179185 *)

Complement[Range[Length[seqA]], limseqU]  (* A186543 *)

(* by Peter J. C. Moses, Mar 09 2011 *)

CROSSREFS

Cf. A187224, A186543.

Sequence in context: A088359 A184413 A187345 * A065871 A128291 A187574

Adjacent sequences:  A179182 A179183 A179184 * A179186 A179187 A179188

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 07 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified November 23 14:42 EST 2014. Contains 249851 sequences.