cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

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%I A187484 #8 Dec 04 2016 19:46:24
%S A187484 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 A187484 34,36,37,39,40,41,42,44,45,47,48,50,51,53,54,55,56,58,59,61,62,63,64,
%U A187484 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 A187484 Rank transform of the sequence A004526=(0,0,1,1,2,2,3,3,4,4,...); complement of A187475.
%C A187484 See A187224 and A004526.
%t A187484 seqA = Table[Floor[(n-1)/2], {n, 1, 180}] (* A004526 *)
%t A187484 seqB = Table[n, {n, 1, 80}];            (* A000027 *)
%t A187484 jointRank[{seqA_, seqB_}] := {Flatten@Position[#1, {_, 1}],
%t A187484 Flatten@Position[#1, {_, 2}]} &[Sort@Flatten[{{#1, 1} & /@ seqA,
%t A187484 {#1, 2} & /@ seqB}, 1]];
%t A187484 limseqU = FixedPoint[jointRank[{seqA, #1[[1]]}] &, jointRank[{seqA, seqB}]][[1]]                                     (* A187484 *)
%t A187484 Complement[Range[Length[seqA]], limseqU]  (* A187475 *)
%t A187484 (* by _Peter J. C. Moses_, Mar 10 2011 *)
%Y A187484 Cf. A187422, A187485, A004526.
%K A187484 nonn
%O A187484 1,2
%A A187484 _Clark Kimberling_, Mar 10 2011