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!)
A187228 Rank transform of the sequence floor(3n/4); complement of A187229. 2
1, 2, 4, 6, 7, 8, 10, 11, 12, 14, 16, 18, 19, 20, 22, 24, 25, 27, 28, 30, 31, 32, 34, 35, 36, 38, 40, 42, 43, 44, 46, 47, 48, 50, 52, 53, 54, 56, 58, 59, 60, 62, 64, 66, 67, 68, 70, 72, 73, 75, 76, 78, 79, 80, 82, 83, 84, 86, 88, 90, 91, 92, 94, 96, 97, 99, 100, 102, 103, 104, 106, 108, 109, 111, 112, 114, 115, 116, 118, 120, 121, 123, 124, 126, 127, 128, 130, 131, 132, 134, 136, 138, 139, 140, 142, 143, 144, 146, 148, 149, 150 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
See A187224.
LINKS
MATHEMATICA
seqA=Table[Floor[3n/4], {n, 1, 220}] (*A057353*)
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]] (*A187228*)
Complement[Range[Length[seqA]], limseqU] (*A187229*)
(*by Peter J. C. Moses, Mar 07 2011*)
CROSSREFS
Sequence in context: A135673 A285667 A187568 * A187905 A121538 A339508
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 | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 12:51 EDT 2024. Contains 371943 sequences. (Running on oeis4.)