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 A187691 Rank transform of the sequence ceiling(3n/4); complement of A187692. 2
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 OFFSET 1,2 COMMENTS See A187224. LINKS MATHEMATICA seqA = Table[Ceiling[3n/4], {n, 1, 220}] 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]] (*A187691*) Complement[Range[Length[seqA]], limseqU]  (*A187692*) (*by Peter J. C. Moses, Mar 12 2011*) CROSSREFS Cf. A187224, A187692. Sequence in context: A282808 A260401 A003159 * A141259 A047501 A256455 Adjacent sequences:  A187688 A187689 A187690 * A187692 A187693 A187694 KEYWORD nonn AUTHOR Clark Kimberling, Mar 12 2011 STATUS approved

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Last modified April 4 07:32 EDT 2020. Contains 333213 sequences. (Running on oeis4.)