The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A187351 Rank transform of the sequence floor(n/sqrt(2)); complement of A187352. 2
 1, 2, 4, 5, 7, 8, 9, 11, 13, 14, 15, 17, 19, 20, 22, 23, 25, 26, 27, 29, 30, 32, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 57, 59, 60, 61, 63, 65, 66, 67, 69, 70, 71, 73, 75, 76, 78, 79, 80, 82, 84, 86, 87, 88, 90, 91, 92, 94, 95, 97, 99, 100, 101, 103, 104 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A187224. LINKS Table of n, a(n) for n=1..71. MATHEMATICA seqA=Table[Floor[n(2^(-1/2))], {n, 1, 220}] (* A049472 *) seqB=Table[n, {n, 1, 220}]; (* 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]] (* A187351 *) Complement[Range[Length[seqA]], limseqU] (* A187352 *) (* by Peter J. C. Moses, Mar 07 2011 *) CROSSREFS Cf. A187224, A187352. Sequence in context: A001951 A039046 A187683 * A026451 A050106 A345917 Adjacent sequences: A187348 A187349 A187350 * A187352 A187353 A187354 KEYWORD nonn AUTHOR Clark Kimberling, Mar 08 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.

Last modified June 14 02:53 EDT 2024. Contains 373392 sequences. (Running on oeis4.)