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.
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!)
A187484 Rank transform of the sequence A004526=(0,0,1,1,2,2,3,3,4,4,...); complement of A187475. 2

%I #8 Dec 04 2016 19:46:24

%S 1,2,3,4,6,7,9,10,12,13,15,16,17,18,20,21,23,24,25,26,28,29,31,32,33,

%T 34,36,37,39,40,41,42,44,45,47,48,50,51,53,54,55,56,58,59,61,62,63,64,

%U 66,67,69,70,72,73,75,76,77,78,80,81,83,84,85,86,88,89,91,92,94,95,97,98,99,100,102,103,105,106,107,108,110,111,113,114,116,117,119,120,121,122,124,125,127,128,129,130

%N Rank transform of the sequence A004526=(0,0,1,1,2,2,3,3,4,4,...); complement of A187475.

%C See A187224 and A004526.

%t seqA = Table[Floor[(n-1)/2], {n, 1, 180}] (* A004526 *)

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

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

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

%t {#1, 2} & /@ seqB}, 1]];

%t limseqU = FixedPoint[jointRank[{seqA, #1[[1]]}] &, jointRank[{seqA, seqB}]][[1]] (* A187484 *)

%t Complement[Range[Length[seqA]], limseqU] (* A187475 *)

%t (* by _Peter J. C. Moses_, Mar 10 2011 *)

%Y Cf. A187422, A187485, A004526.

%K nonn

%O 1,2

%A _Clark Kimberling_, Mar 10 2011

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 May 21 04:19 EDT 2024. Contains 372720 sequences. (Running on oeis4.)