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 A187480 Rank transform of the sequence round(n/2); complement of A187481. 2
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 OFFSET 1,2 COMMENTS See A187224.  A187480 is the rank transform of (A004525 with initial two zeros removed). LINKS MATHEMATICA seqA = Table[Round[n/2], {n, 1, 180}]  (* A004524 *) seqB = Table[n, {n, 1, 80}];           (* 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]]                                     (* A187480 *) Complement[Range[Length[seqA]], limseqU]  (* A187481 *) (* by Peter J. C. Moses, Mar 10 2011 *) CROSSREFS Cf. A187224, A187481, A004524. Sequence in context: A141204 A160992 A096997 * A081694 A145395 A049692 Adjacent sequences:  A187477 A187478 A187479 * A187481 A187482 A187483 KEYWORD nonn AUTHOR Clark Kimberling, Mar 10 2011 STATUS approved

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Last modified June 25 06:10 EDT 2019. Contains 324347 sequences. (Running on oeis4.)