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 A187576 Rank transform of the sequence 2*floor((n-1)/2)); complement of A187577. 2
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 OFFSET 1,2 COMMENTS See A187224.  The sequence of which A187576 is the rank transform is A052928=(0,0,2,2,4,4,6,6,8,8,...). LINKS MATHEMATICA seqA = Table[2*Floor[(n-1)/2], {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]] (*A187576*) Complement[Range[Length[seqA]], limseqU]  (*A187577*) (*by Peter Moses, Mar 11 2011*) CROSSREFS Cf. A187224, A187577. Sequence in context: A085370 A006693 A158850 * A188298 A206285 A112886 Adjacent sequences:  A187573 A187574 A187575 * A187577 A187578 A187579 KEYWORD nonn AUTHOR Clark Kimberling, Mar 11 2011 STATUS approved

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