cp's OEIS Frontend

A187572 Rank transform of the sequence round(n/3); complement of A187473.

%I A187572 #6 Dec 04 2016 19:46:24
%S A187572 1,2,3,4,6,7,8,10,11,12,14,15,16,18,19,20,21,22,23,25,26,27,29,30,31,
%T A187572 33,34,35,36,37,38,40,41,42,44,45,46,48,49,50,51,52,53,55,56,57,59,60,
%U A187572 61,63,64,65,66,67,68,70,71,72,74,75,76,78,79,80,82,83,84,86,87,88,90,91,92,93,94,95,97,98,99,101,102,103,105,106,107,108,109,110,112,113,114,116,117,118,120,121,122
%N A187572 Rank transform of the sequence round(n/3); complement of A187473.
%C A187572 See A187224.
%t A187572 seqA = Table[Round[n/3], {n, 1, 220}]
%t A187572 seqB = Table[n, {n, 1, 220}];(*A000027*)
%t A187572 jointRank[{seqA_,
%t A187572    seqB_}] := {Flatten@Position[#1, {_, 1}],
%t A187572     Flatten@Position[#1, {_, 2}]} &[
%t A187572   Sort@Flatten[{{#1, 1} & /@ seqA, {#1, 2} & /@ seqB}, 1]];
%t A187572 limseqU =
%t A187572 FixedPoint[jointRank[{seqA, #1[[1]]}] &,
%t A187572    jointRank[{seqA, seqB}]][[1]] (*A187572*)
%t A187572 Complement[Range[Length[seqA]], limseqU]  (*A187573*)
%t A187572 (*by _Peter J. C. Moses_, Mar 11 2011*)
%Y A187572 Cf. A187224, A187573.
%K A187572 nonn
%O A187572 1,2
%A A187572 _Clark Kimberling_, Mar 11 2011