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A187484 Rank transform of the sequence A004526=(0,0,1,1,2,2,3,3,4,4,...); complement of A187475. 2
1, 2, 3, 4, 6, 7, 9, 10, 12, 13, 15, 16, 17, 18, 20, 21, 23, 24, 25, 26, 28, 29, 31, 32, 33, 34, 36, 37, 39, 40, 41, 42, 44, 45, 47, 48, 50, 51, 53, 54, 55, 56, 58, 59, 61, 62, 63, 64, 66, 67, 69, 70, 72, 73, 75, 76, 77, 78, 80, 81, 83, 84, 85, 86, 88, 89, 91, 92, 94, 95, 97, 98, 99, 100, 102, 103, 105, 106, 107, 108, 110, 111, 113, 114, 116, 117, 119, 120, 121, 122, 124, 125, 127, 128, 129, 130 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A187224 and A004526.

LINKS

Table of n, a(n) for n=1..96.

MATHEMATICA

seqA = Table[Floor[(n-1)/2], {n, 1, 180}] (* A004526 *)

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]]                                     (* A187484 *)

Complement[Range[Length[seqA]], limseqU]  (* A187475 *)

(* by Peter J. C. Moses, Mar 10 2011 *)

CROSSREFS

Cf. A187422, A187485, A004526.

Sequence in context: A078607 A292043 A292052 * A186237 A079057 A211264

Adjacent sequences:  A187481 A187482 A187483 * A187485 A187486 A187487

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 10 2011

STATUS

approved

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Last modified February 24 17:22 EST 2018. Contains 299624 sequences. (Running on oeis4.)