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2, 5, 6, 10, 11, 13, 16, 18, 20, 23, 25, 27, 29, 32, 34, 36, 39, 40, 43, 45, 48, 49, 53, 54, 57, 59, 61, 64, 66, 67, 70, 72, 75, 77, 79, 81, 84, 87, 88, 91, 93, 95, 97, 100, 102, 105, 106, 109, 110, 113, 115, 118, 120, 122, 125, 127, 129, 131, 133, 136, 138, 141, 143, 145, 148, 149, 152, 154, 157, 158, 161, 163, 165, 168, 170
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internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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r=2^(1/2);
seqA = Table[Floor[r*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]] (* A187839 *)
Complement[Range[Length[seqA]], limseqU] (* A187840 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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